Bài 3:

1. Hoa is unhappy because she misses her parents and her friends.

2. How far is it from school to your house?

3. She lives with her uncle and aunt in Ha Noi.

4.  How her old school is different from her new school?

5. She doesn't have any friends in Ha Noi.

Bài 4:

1. B (with)

2. C (Her)

3. B (next)

4. C (invite)

5. B (and)

6. C (invitations)

Bài 5:

1. I am in class 7A and he is in class 7A, too.

2. Lan likes milk and her brother likes milk, too.

3. He can sing and his friend can sing, too. 

4. I am in grade 7. She is in grade 7.

5. Hoa's sister is shorter than her.

6. Magazines are smaller than newspapers.

7. I am shorter than you.

8. His brother is shorter than him.

9. What is your age?

10. What is your address?

Chúc bn học tốt ^^