24. You must be a poet, ________ you?　　 　A. are　　 B. aren’t　　 C. must　　 D. mustn’t

23. _______ the yard, I found it ________ with lots of ________ leaves.

　A. Entering; covering; falling　　 B. Entering; covered; fallen

　C. Entering; covering; fallen　　 D. Having entered; covered; falling

22. The old photo _________ my memories of the days when we worked together.

　A. called up　　 B. called in　　 C. called back　　 D. called for

21. The temperature can fall to -30oC, ______ is, 30oC below freezing point.

　A. which　 　B. it　　 C. this　　 D. that

20. ---- Jason had a car accident.

　 ---- He ________ have drunk and driven.

　A. mustn’t　　 B. wouldn’t　　 C. shouldn’t　　 D. couldn’t

19. Density of water _________ kilograms per cubic meter.

　A. measures　　 B. is measured　　 C. measures in　　 D. is measured in

18. The universities have got bigger in size, _________ many more people the chance of higher education.　 　A. so allowing　　 B. thus allowing　　 C. so to allow　 D. thus to allow

17. _________ that you lose your job: what would you do then?

　A. Say　　 B. Talk　　 C. Speak　　 D. Tell

16. The kid is very shy; he _________ say what is really in his mind.

　A. dares not　　 B. doesn’t dare　　 C. dare not to　　 D. dare do not

15. The teenagers wonder what ________ makes Jay a successful pop singer.

　A. is it　 B. is it that　　 C. it is　　 D. it is that