Question

John _____ his homework yesterday evening.

A. doesn't finish. B. didn't finished. C. didn't finish. D. didn't finishing
______ are you going to stay in Shanghai? --------For 3 days.

A. How long. B. How soon. C. How often. D. How many
You ______ worry about it . They can do it by themselves.
A. don't need. B. needn't. C. needn't to. D. needs

Answer 1

很高兴为你解答：

____A__ are you going to stay in Shanghai? --------For 3 days.

A. How long. B. How soon. C. How often. D. How many
how long用于问时间
You ___C__ worry about it . They can do it by themselves.
A. don't need. B. needn't. C. needn't to. D. needs

Answer 2

答案：
1、C. didn't finish.
2、A. How long.
3、B. needn't

请采纳，谢谢支持！

Answer 3

1.c（昨晚，应用过去式）2.b(need 用作情态动词，没必要)

Answer 4

1c
2B
为你解答，敬请采纳，
如果本题还有疑问请追问，Good luck!

Answer 5

C A C