Bài 1 : 

1. Nice to see you again ( Rất vui khi gặp lại bạn )

2. Good morning, Miss Hien ( Chào buổi sáng, cô Hiền )

3. See you tomorrow ( Hẹn gặp bạn ngày mai )

4. Good night ( Chúc ngủ ngon )

Bài 2 :

1 - D

2 - E

3 - B

4 - A

5 - C

Bài 3 :

1. Nice to see you again.

2. See you later.

3. I am very well.

4. How are you ?

Bài 4 :

Nam: Good afternoon, Miss Hien.

Miss Hien : Hi Nam. How are you ?

Nam : I'm fine, thank you. And you ?

Miss Hien : Fine, thanks.

Bài 5 :

1. A: Yes, he is

2. A: Yes, it is

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Ex 1:

1. again

2. good

3. tomorrow

4. night

Ex 2:

1. D

2. E

3. B

4. A

5. C

Ex 3:

1. Nice to see you again

2. See you later

3. I am very well

4. How are you

Ex 4:

Nam: afternoon

Miss Hien: hi/ how

Nam: fine

Miss Hien: thanks

Ex 5: 

1. Yes he is

2. Yes, it is