bài 1:

1 at

2 more

3 how much

4 matter

5 why

bài 2 :

11 bought ( CHIA qkđ vì có last december )

12 cleans ( chia htđ có từ every day ở cuối câu cleans thêm *s vì có chủ ngữ là Nga )

13 will visit ( chia htđ có hope)

14 was ( chia qkđ trong câu hỏi có tđt *did*)

15 made ( chia qkđ có yesterday)

1. Dr. Lai smiles at Minh and tells him not to worry.

2. Before, there were 2 eggs. Now, there are more eggs. ( 10 eggs)

3.  How much is the green dress?- It's 30,000 dong.

4. She looks tired, What's the matter with her.

5. Why does his tooth hurt?-Because he has a cavity.

II.

11. Last December, Mom bought me a new bike.(QKĐ)

12. Nga cleans her room every day.(HTĐ)

13.I hope you will visit  Ha Noi after the harvest.(TLĐ)

14. Ba: What did you think of Nha Trang?

Li :Oh,It was beautiful(QKĐ)

15 Yesterday she maked a cushion for her armchair.(QKĐ)