口语应用。根据对话的内容，用适当的句子补全对话。（满分10分）

A: Have you seen Jim these days?

B: No, he’s gone to Japan to see his grandfather.

A: 20. ____________________________

B: Yes, he lived there before he came here.

A: 21. ____________________________

B: About one month.

A: 22. ____________________________

B: Yes, I’ve just received a letter from him.

A: 23. ____________________________

B: He said he had a very good time there and he also wanted me to give his best wishes to you.

A:24. ____________________________

阅读下列电视广告词“If we didn’t save water, the last drop of water would be our tear(眼泪) drop.”根据提示写一篇80词左右的短文。   要求：字迹端正，语句通顺，语法正确。

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—I think everyone must do his best to _______pollution.

          —If so, there will be a good future for people of tomorrow.

A. keep                B. stop                  C. stand

—Why are you standing here, Mrs. White ? 

—I’m waiting for my son, he ________back form school.

A. won’t               B. hasn’t come            C. doesn’t

—I _______ my hometown for ten years. I really miss it!

A. have been away from     B. have left           C. went away from

 —______ you _______ Mount Qingyuan these days?

—Yes, I have. The mountains are more beautiful.

A. Have; gone to          B. Have; been in       C. Have; been to

_______we felt tired, _______we felt happy.

A. Though; but           B. Though; /           C. If; but

—I have never finished doing my homework.        —___________.

      A. Neither do I.          B. So have I.           C. Neither have I.

 —I have _________ told your phone number. Has he called you ________?

           —No, he hasn’t called me _________.

      A. just; already; yet       B. already; yet; yet     C. already; already; yet

—It smells terrible. What has happened here?  

          —Look, there is much waste gas _______from the chemical factory.

      A. pouring               B. pour               C. pours