Giáo án Tiếng Anh 7 - Unit 1 : Back to school - Period 2: A. Friend (A1 )

Keep fit, stay healthy
5
Kiểm tra và chữa bài kiểm tra
2
12
Let’s eat
5
Language focus 4
1
13
Activities
5
14
Freetime fun
5
Kiểm tra và chữa bài kiểm tra
2
15
Going out
5
16
People and places
5
Language focus 5
1
Ôn tập và kiểm tra học kỳ II
4
TỔNG SỐ TIẾT
51
Period 1: Review and check.
Period 1 
I. Objectives:
- By the end of the lesson Ss will be able to get further practice in Present Simple and Progressive, Comparatives, Superlatives, Quantifiers.
1. Knowledge: 
* Structures: 
Present Simple and Progressive: 
He speaks English and French.
	She is staying in Hanoi now.
Comparatives and Superlatives:
The Amazon River is longer than the Mekong.
The Nile is the longest river in the world.
Quantifiers:
There is a lot of traffic.
...
* Vocabulary: review
2.Skills: speaking, reading and writing skills.
3.Attitude: Helps students to know the way of greeting and to tell about the others.
II. Teaching aids:
1, Teacher's: text book, teacher’s book, sub-boards, pictures, cues.
2, Students': text book, note book, chalks, pens.
III. Procedures:
1, Checking up: while teaching new lesson.
2, New lesson(42ms):
Teacher’s activities
Students’s activities
The content of the lesson
* Warm – up: Network.
Countries and languages
- asks Ss to gives examples using the countries and languages.
- gives feedback.
* Activity 1: Present Simple Tense
- retells grammar (quickly).
- asks Ss to do the exercise 1 (P. 174).
- gives feedback.
* Activity 2: Present Simple Tense and present progressive tense
- explains the exercise 2 (P.174).
- gives the map dialogue. (sub-board)
- gives feedback.
* Activity 3: adjectives:
 comprarative and superlative
- asks Ss to retell grammar.
- gives the table and asks Ss to do the exercise.
- gives feedback.
- asks Ss to based on the table to do the exercise 3 (P. 175)
- gives feedback.
* Activity4: indefinite quantifiers
- asks Ss to give the uses, the meaning of a lot, lots, a few, a little.
- gives feeback. (grammar sub-board)
- explains the exercies 4 (P. 175).
- gives feeback. 
- play the game (groups)
- gives examples using the countries and languages. (pairs)
Examples:
S1: are you from China?
S2: No, I'm not.
S3: Do you speak English?
S4: Are you from England?
S2: Yes, I am.
...
1. Present Simple Tense:
- listen.
- do the exercise 1 (individually then pairs)
2. Present Simple Tense and present progressive tense:
- listen.
- look at the map and practice (pairs)
Examples:
S1: What is her name ?
S2: Her name is Susan.
S1: Where does she live ?
S2: She lives in London.
S1: Where is she staying now ?
S2: She is staying in Hanoi.
...
3. adjectives: comprarative and superlative:
- retell grammar.
- complete the table (groups + cues)
- base on the table to do the exercise 3 (groups + cues)
4. indefinite quantifiers
- give the uses, the meaning of a lot, lots, a few, a little then give examples.
- listen and do the exercise. (groups + cues)
Vietnam-Vietnamese Japan-Japanese
Countries and languages
England-English China-Chinese
Answer: 
a. Do - speak ; don't ; speak
b. speaks	
c. speaks Chinese.	
d. speaks Japanese.	
e. speaks Vietnamese.	
f. speaks English.
Answer: 
a. is	b. lives
c. is - is staying	d. is
e. does - teaches	
f. does - teach ; doesn't ; teaches.
Adj
Comparative
Superlative
long
longer
longest
thick
thin
hot
tall
small
high
big
Answer: 
a. longer - the longest
b. the longest.
c. the tallest - taller - the tallest.
d. biggest - bigger - the biggest - the biggest.
Uses of quantifiers:
some / a lot of / a few + DT ®Õm ®îc
some / a lot of / a little + DT kh«ng ®Õm ®îc.
3. Consolidation(2ms):
	- Reminds the structures which have just learnt.
4. Homework: (1m)	
	+ Learn the lesson well.
	+ Do the exercises in the exercise book
 Unit 1 : Back to school.
 Period 2: A. Friend (A1 )
I. Objectives:
Knowledge: By the end of the lesson, student will be able to geet people and introduce each other .
Skills: Listening, reading, speaking.
Attitude: Helps students to know the way of greeting and to tell about the others.
II. Contents of languge:
Vocabulary: nice, so, too.
Grammar: - Present simple tense.
 Comparatives.
III. Teaching aids:
Teacher : book, tape, cassetle.
Students: book, notebook.
IV. Procedure:
Teacher’s activities
Students’ activities
Contents
Warm up:
 - who’s absent today?
 - what’s the date today?
 - what’s your name?
 -what’s his/ her name?
2. Presentation:
-Ask them to open the book, page 10.
Look at the pictures and listen to the tape, please.
-Repeat, please.
Explain: infinitives after adj.
-Who can read the dialogue?
-Who can ask and answer?
* Introduce the text.
-Listen to the tape, please.
-Who can read the text,please?
-Who can ask and answer?
-Give answer key.
-Who can practice again?
3.Practice:
–Look at the dialogue, page 12.
–Who can read?
–Now you prctice freely.
–Who can ask / answer.
-Who can talk again ?
4. Remember.
-Who can repeat the main contents?
 - Who can practice ?
5.Homework?
Write down on the board.
 -Pupils answer.
-Open the book.
-Look at the picture and 
listen to the tape .
-Read in chorus.
-Listen
-Practice in pairs.
-Listen
-Some students read
-Work in pairs
-Practice again
-Look at the dialogue
-Work in pairs
-Practice in pairs
-Talk with each other,
-Some students repeat.
-Practice again
- Write down.
Unit 1: Back to school.
Period 2 : A. Friends (
A1)
A1.Listen.Then practice with a partner. 
1, New words:
-Nice ( adj)
- So, too.
2 Grammar:
a.§éng tõ nguyªn mÉu sau tÝnh tõ: BiÓu lé sù lÞch sù, th©n thiÖn .
-Nice to meet you/seeyou.
b. so/too: §îc dïng ®Ó diÔn 
t¶ sù ®ång ý kiÕn (dïng trong c©u kh¼ng ®Þnh )
_too: ë cuèi c©u
She is tall. I am, too.
-So:ë ®Çu c©u cã sù ®¶o ng÷
( V + S )
She is tall. So am I.
 Answer key.
a.Her name is Hoa 
b.She is in class 7A
c. Nam is also in class 7A
 Unit 1 : Back to school.
 Period 3: A. Friends ( A2)
I. Objectives:
Knowledge: By the end of this lesson, students will be able to understand the detail and revising simple present, comparisions, a lot of/many.
 Skills: reading, speaking.
3.Attitude: Helps students to practice 2 skills, students can greet to each other.
II. Contents of languge:
Vocabulary: 
Grammar: - Present simple tense.
 - Greetings.
III. Teaching aids:
Teacher : book, tape, cassetle.
Students: book, notebook, workbook .
IV. Procedure:
 Teacher’s activities
 Pupils activities 
 Contents
1.
Warm up:
 - who’s absent today?
 - what’s the date today?
 - what’s your name?
 -what’s his/ her name?
Presentation.
- You know that Hoa is a new student . can you guess sth. about her ? 
-Show the Picture P11 and ask Ss 
How many schools are there? 
Which is bigger ?
Which is Hoa old school ?
- introduce : hong Ha is Hoa’s new school . It’s bigger than her old school .
- Teach some new word :
-Have Ss repeat the present simple tense 
-Repeat coparatives 
 Quanlity with “ a lot of , many ”
2.While –reading ( 13’ ) 
Ask ss to look at the text ,listen to the tape and answer the qs 
Play the tape twice 
-Have ss read the text and answer the qs 
-call some ss ask and answer 
Observe and give feedback 
3. Post –reading ( 2’ ) 
Ask Ss to talk about their primary school 
III- Listening (12’ ) 
-Show the picture and ask Ss 
Who are they in the picture ?
What are they doing ?
-guide Ss : look at the 4 pictures , you’ll hear 4 con. Listen and write the letters of the dialogues in the right order you hear 
Have Ss listen again and correct 
Iv-Consolidation and Hw ;
Have Ss repeat what they have learnt 
-Hw : + do ex. 1-4 P 3-4 
 + Prepare B1.2 
Answer.
 Listen and answer 
Look and answer 
Listen 
Read , understand and copy 
Repeat and copy 
Repeat and copy 
Look and listen
Read and answer 
Copy 
Speak 
Look and answer 
Listen 
Give the aswer 
Copy
Repeat 
Copy 
Unit 1( go on)
Period 3. A. Friends
( A2)
I. The text.
1.New words:
-be in (v) häc ë líp
-still(adv) vÉn, vÉn cßn
-different from –the same ..as.
Happy- unhappy.
-to miss(v)
2. Answer key.
a. She is from Hue.
b. She is staying with her uncle and aunt.
c. No she doesn’t.
d. Her new school is bigger than her old school.
e. She’s unhappy because she misses her parents and friends .
5. Homework:
-Do ex 3,4 ( page 4)
 Unit 1 : Back to school.
 Period 4: A. Friend (A3,4,5 )
I. Objectives:
Knowledge: By the end of the lesson, student will be able to geet people and introduce each other .
Skills: Listening, reading, speaking.
Attitude: Helps students to know the way of greeting and to tell about the others.
II. Contents of languge:
Vocabulary: nice, so, too.
Grammar: - Present simple tense.
 Comparatives.
III. Teaching aids:
Teacher : book, tape, cassetle.
Students: book, notebook.
IV. Procedure:
Teacher’s activities
Students’ activities
Contents
Warm up:
 - who’s absent today?
 - what’s the date today?
 - what’s your name?
 -what’s his/ her name?
2. Presentation:
-Ask them to open the book, page 10.
Look at the pictures and listen to the tape, please.
-Repeat, please.
Explain: infinitives after adj.
-Who can read the dialogue?
-Who can ask and answer?
* Introduce the text.
-Listen to the tape, please.
-Who can read the text,please?
-Who can ask and answer?
-Give answer key.
-Who can practice again?
3.Practice:
–Look at the dialogue, page 12.
–Who can read?
–Now you prctice freely.
–Who can ask / answer.
-Who can talk again ?
4. Remember.
-Who can repeat the main contents?
 - Who can practice ?
5.Homework?
Write down on the board.
 -Pupils answer.
-Open the book.
-Look at the picture and 
listen to the tape .
-Read in chorus.
-Listen
-Practice in pairs.
-Listen
-Some students read
-Work in pairs
-Practice again
-Look at the dialogue
-Work in pairs
-Practice in pairs
-Talk with each other,
-Some students repeat.
-Practice again
- Write down.
Unit 1: Back to school.
Period 4 : A. Friends (
A3,4,5)
A3.Listen.Then practice with a partner.
See you later. 
A4.Listen.Complete these dialogues.
Answer key
a)-How are you?
 -Pretty good
 -How about you?
 -Not bad
 -Me,too.
b)-How is everything?
 -OK
 -How are you today?
 -Just fine
 -So am I.
A5.Listen.Write the letters of dialogues in the order you hear.
Answer key
 1.c 2.b 3.d 4.a
ã Homework.
-Learn by heart new words
-Read the text again.
-Do ex 1,2 –page 3,4.
 Unit 1 : Back to school.
 Period 5: B. Names and addresses ( B1, 2 )
I. Objectives:
1.Knowledge: After finishing the lesson, student will be able to ask for and give personal informations.
2.Skills: Listening, reading, speaking.writing
3.Attitude: Students can ask for and give personal information.
II. Contents of languge: 
Vocabulary: middle name, family name..
Grammar: - Present simple tense.
III. Teaching aids:
Teacher : book, tape, cassetle.
students: book, notebook.
IV. Procedure:
 Teacher’s activities
 Students activities
 Contents
1.Warm up:
- Who’s asbent today?
- What’s the date today?
-What is your full name?
-Where do you live ?
2.Presentation:
Look at the picture and answer my question.
-Who are in the picture ?
-Where are they ?
-Listen to the tape, then you can answer the Q.
“What are they talking?”
-Who can read, please ?
-Now you answer the questions.
-Who can ask /answer?
Give answer key.
* Write:
-Who can repeat the question that you have learnt?
-Now you complete the dialogue, please.
-Who can complete?
-Give answer key.
-Who can practice again ?
Practice:
–Who can answer my question.
-What’s your name?
-How old are you?
-Where do you live ?
-Who do you live with?
-What’s her/his name?
-Who can ask / answer.
Remember.
-Who can repeat the mian contents ?
5. Homework
-Write on the board.
 -Answer
-look at answer.
-They’re teacher and students.
-they’re in class.
-listen to the tape.
-work in pairs
-Students do in study card (4’)
-Practice in pairs 
-Check –correct
-Some students repeat.
What /where/ how/ who.
-Students do in 2 minutes
-Work in pairs
-Check
Practice in pairs.
-Listen –answer
My name’s
I’m
I live.
I live with
Her / His name
-Practice in pairs
Some students repeat
Write down
Unit 1 (go on)
Period 5: B. Names and addresses ( B1,2 )
1. The dialogue.
a. New words.
Full name: (n)
Family name:/ surname / last name :Hä
First name: (n) Tªn gäi 
Middle name (n) §Öm
b. Answer key.
a. She’s talking to Miss Lien
b. Her family name’s Pham
c. Her middle name’s Thi 
d. She lves at 12 Tran Hung Dao street.
2.Write:
Who / what / where / when / which / how / why.
1.who
2. who
3. which / what
4. where
5. where
6. how
3.Practice.
(Practice freely)
4. Remember.
-The simple /progressive / present tenses.
Homework:
Do exercises 1,2 (page 5 )
 trän bé 6,7,8,9 ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
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 Häc K× 2 
 Unit 9 : At home and away.
 Period 55: A. A holiday in nha Trang. (A1 )
I. Objectives:
Knowledge: By the end of this lesson, students will be able to talk about the events and experience in the past.
Skills: Practice 4 skills.
Attitude: Helps students to know a famous places and can retell there.
II. Contents of languge:
Vocabulary: apuarium, gift, delicous, souverir .
Grammar: - The past simple tense ( was / were ). 
III. Teaching aids: Book, picture, tape, cassette,
IV. Procedure:
 Teacher’s activities
 Students’activities
 Contents
1.Warm up:
-How are you ?
-What’s the date ?
-Who’s asbent?
- In which subjects do you get good marks in this semester ? 
- What are you going to do in second semester ?
- Do you like traveling around our country on your vacation ?
- What do you know about Nha Trang ?
2.Presentation:
- Now, listen to the conversation between Ba and Liz about Nha Trang.
- Notice: What did they do ?
- Listen to the tape, please ! ( 2 times)
- Who can find out the new words ? 
- Explain the meaning of new words.
- Read after me !
- Who can read ?
- Ask students to find out “ What did Lix’s family do or visit there ?
- Correct them.
* Explain the grammar.
* The past simple tense.
- Give structure: write on the board.
- The people were very friendly.
- Did you buy any souvenir in Nha Trang ?
- Yes, I did. I bought a lot of different gifts.
* Note: C¸ch ph¸t ©m ®u«i ed / t/ ®éng tõ kÕt thóc lµ ©m v« thanh ( k, tf, s , p , f ) 
/ d/ ®éng tõ kÕt thóc lµ ©m h÷u thanh ( l,m,z,b,c)
/id/ ®éng tõ kÕt thóc lµ t, d
3. Practice.
-Ask them to read the dilogue again then number the sentences.
- Who can read the correct order sentences ?
- Give answer key .
4. Remember.
- Who can repeat the main contents ?
5. Homework.
- Write on the board.
- The monitor answer. 
- I get good marks in
- I’ll try my best to study
- Yes / No
- It..
- Listen to teacher
- Listen to the tape
- Some students find out
- Write down
- Read in chorus
- Read in individual
- Listen to the teacher and write into the notebook.
- Write structure and sentences on the board.
- Give examples
- Read some verbs in the past.
- Read again
- Discuss in groups in 5 minutes.
- Students repeat
- Write down
Unit 9 : At homlcome and away.
Period 55: A holiday in Nha Trang - A1 
1. The dialogue.
 a. New words.
- recent ( adj) 
- welcome:
- wonderful ( adj)
- friendly ( adj)
- dilicious ( adj)
- aquarium(n)
- souverir (n)
- gift (n)
- holiday = vacation (n)
 ( BE ) ( AE )
2. Grammar.
* The past simple tense.
+ Usage: Dïng ®Ó diÔn t¶ hµnh ®éng ®· x¶y ra vµ chÊm døt t¹i1 thêi ®iÓm x¸c ®Þnh trong qu¸ khø . th¬ng ®i víi : yesterday, ago, last.
a. tobe.
(+) S + was/ were + O
(-) S + was / were + not + O
(?) was/ were + S + O ?
 - Yes, S + was/ were.
 - No, S + was / were + not 
- I, He, She,It - was
- You, We, They - were
EX: I was in HN last year
b. Ordinary verbs.
(+) S + V-ed + O
( -) S + didn’t + V-inf + O
(?) Did + S + V-inf + O ?
( PI = irrgularly verb)
3. Reading and number the sentences.
1. Liz went to Nha Trang.
2. Liz visited Tri Nguyen Apuarium.
3. Liz bought souvernir.
4. Liz returnted to HN
5. Liz talked to Ba about.
4. Remember.
- The past simple tense.
5. Homework.
- Learn by heart the past simple tense.
- Do ex 1/ 53.
Class
period
 date
Total
ab
7a
7b
7c
 Unit 9 : At home and away.
 Period 56: A holiday in Nha Trang (A2 )
I. Objectives:
1.Knowledge: By the end of this lesson, students will be able to retell the story about the trip of Liz’s family by using the picture or listening to the tape.
2.Skills: Practice 4 skills.
Attitude: Students love more their country.
II. Contents of languge:
1. Vocabulary: shark, dolphin, turtle, exit, cap, crab.
Grammar: - The past simple tense. 
III. Teaching aids: 
Book, picture, tape, cassette,
IV. Procedure:
 Teacher’s activities
 Students’activities
 Contents
1.Warm up:
-How are you ?
-What’s the date ?
-Who’s asbent?
- Did you learn the old lesson ? 
- What did you do last Sunday ?
- Who can write some irregular verb ? Read ?
- Check - correct 
2.Presentation:
a. pre- reading.
- You can remember the dialogue between Liz and Ba in the last lesson.
- In this lesson, what Liz and her family dis during the visiting to Tri Nguyen aquarium. Ypu’ll read the text about one of the most interesting and memorable activities which liz anf her family did.
- Listen to the tape, please .( 2 times)
- Who can find meaning words.
- Read after me !
b. While- reading.
- Who can read the text ?
- Lets students do study card in 8 minutes.
- Who can ask and answer ?
- give answer key.
- Who can practice again ?
c. Post- reading.
- Ask students to look at the pictures and tell the story of Liz’s trip to Tri Nguyen aquarium.
- Where did they go ?
+ What did they see ?
- Who can tell the story ?
* Note: using the verbs in the simple past.
3. Listen: 
- How did they return to Ha noi, you can guess ?
- What did they do on the way back to Ha noi ?
Or what time did they arrive home ?
After listening you know that.
- Who can read the sentences ?
- Now, listen and write the letter of the sentences you hear.
- Turn on the tape. ( 2 times)
- Who can read the sentences that you choose ?
- Give answer key.
4. Remember.
- Who can tell again the story ?
5. Homework.
- Write on the board.
- The monitor answer.
- Yes/ No
- I..
- one student goes to the board and writes
- Listen to teacher.
- Listen to teracher
- Listen to the tape.
- Find out the new words
- Listen - write
- Read in chorus
- Some students read
- Students do study card in 8’
-Work in pair
- Check - correct
- Listen to teacher and look at the pictures
- They went to the aquarium.
- They saw
- They returned to Ha Noi by.
- Listen to teacher
- Some students read
- Listen to the tape and choose
- Some students read
- Some students retell
- Write down
Unit 9: ( go on )
Period 56: A2
1.The text:
a. New words:
- Shark (n) c¸ mËp
- Dolphin (n) c¸ heo
- Turtle(n) rïa biÓn
- exit (n) lèi ra
-Cap (n) mò lìi trai
- Wear - wore (v) mÆc
- Poster (n) tranh, ¸p phÝch
- Crab (n) cua
- Instead (of) (v) thay vµo ®ã
- Think- thought (v) nghÜ
-Eat - ate (v) ¨n
-Put-put (v) ®Æt, ®Ó 
- Remember (v) nhí
b. Questions:
 Answer key.
a.Her parents went to aquarium with her.
b. They saw sharks, dolphin, turltes and many different types of fish.
c. They bought a cap and a poster.
d. Yes, she did. Liz wore the cap all day.
e. Yes, they ate fish and crab.
f. Because she remembered the beautiful fish in the aquarium.
2. Tell the story of Liz’s trip to Tri Nguyen Aquarium.
a. The Robinson family went to the aquarium.
b. They saw sharks, dolphins, turtles and many colorful fish.
c. There was a souvenir shop near the exit of the aquarium.
d. Mr. Robinson bought Liz a cap with a picture of a dolphin on it. Mrs Robinson bought a poster.
e. After their visit to the aquarium, the Robinsons went to a foodstall. Mr and Mrs Robinson ate fish and crab and Liz ate noodles.
4. Remember.
- The new words
- The text
- The past simple tense
5. Homework.
- Learn by heart the new words.
- Do exercise 2,3 ( page 53 - 54)
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Có sáng kiến kinh nghiệm mới và các tiết thao giảng 
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ 6,7,8,9 c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®ñ c¶ n¨m 105 tiÕt theo chuÈn kiÕn thøc míi
 Liªn hÖ ®t 0168.921.8668
trän bé ®Çy ®