20. When I dropped in, Dr Smith _____, so we only had time for a few words.

　　　　 A. just left　　　 　　　 B. was just leaving　　　 C. has just left　 D. had just left

19. -How can I wake up so early?-Set the alarm clock, _________ you will make it.

　　　　 A. But　　　　　　　　　　　　　 B. or　　　　　　　　　　 C. and 　　　　　　　　　　　　 D. so

18. Unluckily, he was soon told ______ he discovered was unimportant to them.

　　　　 A. what why　　　　　　　　 B. that why　　　　　　　　　 C. what that　　　　　　　　　 D. why what

17. -Thank you for the great trouble you have taken _____ me with my English?-Think nothing of it!

　　　　 A. with helping　 B. to help 　　　　　 C. in helping　　　　　　　　 D. helping

16. They asked me to have a drink with them. I said that it was at least ten years since I _______ a good drink.

　　　　 A. had enjoyed　　 B. was enjoying　 C. have enjoyed　 D. have been enjoying

15. Yesterday we had a lecture given by a _________ teacher.

　　　　 A. well-mannered young school　 　　　　 B. young well-mannered school

　　　　 C. well-mannered school young　 　　　　 D. school well-mannered young

14. - What’s the best way of losing weight?- _________

　　　　 A. Why not playing games?　　　 　　　 B. Why don’t you play games?

　　　　 C. I advise you to playing games?　 　　　　 D. You’d better to play games?

13. Studying abroad is quite different from life in China. It took me nearly half a year to ____ the language problem and culture shock.　　 A. turn over　　　　 　　　　 B. look over　　　　　　　　　 C. get over　　　　　 D. go over

12. Oxford, as we know, ________ is one of the best universities in the world.

　　　　 A. that　　　　　　　　　　　　　 B. / 　　　　　　　　　　　　　　　 C. it　　　　　　　　　　　　　　　 D. this

11. -I wonder if she _____ to the ball.-She is sure to come if she ____ time tonight.

　　　　 A. comes; has B. will come; will have C. comes; will have　 D. will come; has