Miss Lin ______ a lot of work for the poor area for about 10 years.

---Everybody is playing on the playground. Can I join them , Miss Lin?

  --- __________________   Not until you have completed the Maths exercises.

   A. Why not?          B. Will you?            C. I hope so.           D. I’m afraid not.

根据对话内容，在空格中填写一个句子，使对话完整、正确。

A: Good morning, Miss Lin.

B: Hi, Liu Xing. 1________________________?

A: I’ve just been to the English Corner.

B: Really? That’s great! Did you talk with our

foreign teacher Mark?

A: 2________________________. But I’m not sure

if he understood me.

B: No problem. 3________________________？

A: He said I needed more practice. But 4. ________________________________________.

B: Take it easy! Everyone makes mistakes at the beginning. You should believe in yourself.

A: But do you think they like to talk with us beginners?

B: Yes, unless they are busy.

A: Well, could you help me with my oral English?

B:5________________________. You can come to me at any time.

Miss Lin____________ a lot of work for the poor area since 2010.

A. does                    B. did              C. has done                      D. will do

---I think Miss Lin must be in the library. She said she would go there.

---No, she __________be there. I have just been there.

A. can’t               B. mustn’t             C. needn’t        D. wouldn’t