31.There is much chance ________ Bill will recover from his injury in time for the race.

A. that　 B. which　 C. until　　 D. if

30．A fully-grown blue whale ________ 110 feet in height and _______ several tons.

A. is measured; weighs　　　　　 B. measures; weighs　

C. is measured; is weighed　　　 D. measures; is weighed

29. The key _______ success lies _______ persistence and hard work.

A. to; in　 B. of; for　 C. for; to　 D. of; in

28. At daybreak the soldiers reached a temple, in front of which __________.

A. was standing a tall tree　　 B. stood a tall tree　　

C. a tall tree was standing　　 D. a tall tree stood

27. They are closing this factory and building two new ________ in western provinces.

A. those　　 B. ones　　 C. these　　 D. one

26. With nobody _________ her during the festival, the old lady felt lonely.

A. accompanied　　 B. accompany　　 C. to accompany　　 D. accompanying

25. The girl ______ forward to buying a new gold watch.

A. referred to look　　 B. refers to looking　

C. referred to looks　 D. referring to look

24.___________ the danger we have just escaped, I still feel frightened. A. Dating back to　　　　 B. Looking around　　

C. Thinking back to　　　 D. Thinking over

23. If the thief_____________ around, the policeman wouldn’t have suspected him. A. hadn’t looked　　 B. had looked　　　 C. looked　　　 D. didn’t look

22. __________I were rich, I would go traveling around the world. A. If only　　　 B. Even if　　 C. What if　 　　D. Only if