1.是我们努力学习英语的时候了。

It is __________ for us __________ study English hard.

20. -_________ to the United States?

-No, never, but I went to Canada a few years ago.

A. Have you been　 B. Have you gone　 C. Did you go　 D. will you go

19. -Shall we go to visit the Museum of Natural History first?

-________.

A. Yes, we do　　　 B. Yes! Let’s go　　 C. No, you shan’t　　　 D. It’s a pity

18. -I’m going to Hawaii with my aunt this month for my holiday.

-_________!

A. Have a good time　　　　　 B. Best wishes to you

C. Congratulations　　　　　　 D. Please go

17. -Could I borrow your CD player?

-__________. But you will have to return it tomorrow.

A. No problem　 B. I’m sorry　　　 C. I’m not sure　　 D. I hope so

16. - You look very nice in dark blue.

-_________.

A. I don’t mind　 　B. No, not at all　 C. That’s all right　 D. Thank you

15. -Please don’t make any noise in the reading-room.

-_________.

A. Sorry, I won’t　 B. Sorry, I can’t　 C. Yes, I won’t　　 D. OK,I didn’t

14. - I’ve got an offer in New York..

-Oh, ________! But I’m going to miss you.

A. that’s too bad　 B. I’m sorry　 C. I beg your pardon　　 D. that’s great

13. - ________

-I would like a pair of sports shoes.

A. May I help you, sir?　　　　 B. What do you want to buy, sir?

C. What do you do, sir?　　　　 D. Where do you want, sir?

12. -My daughter is ill and she has to see a doctor.

-_______

A. Is it true?　　　　 B. It doesn’t matter.

C. What a pity!　　 D. Don’t trouble her.