31. I wanted to help those homeless children in the flooded areas,　 ____ I donated my pocket money that I had saved for two months.

A. so　　　　　 B. because　　　　　　　 C. since　　　 　　　　D. for

30. It is impossible ____ her ____ the work in half an hour.

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

29. When I came inside the office, they ____ a party for the coming festival.

A. planned　　　 B. were planning　　　　 C. plan　　　　　　 D. have planned

28. --I do a lot of exercise, eat___　 vegetables and ____　 _meat than I did last year.

--That’s why you’re getting thinner.

A. fewer; more　　 B. more; less　　　　　 C. less; more　　　　 D. many; much

27. I don’t know if it ____ tomorrow. If it ____, we’ll go out for a picnic.

A. will rain; won’t rain　　　　　　　 B. rains; doesn’t rain

C. rains; won’t rain　　　　　　　　 D. will rain; doesn’t rain

26. ---Why not come and join us in the game, Linda?

--- __________, but I have something to discuss with Mr. Smith at his office now.

A. Let's go　　 B. I'd like to　　　　 C. Yes, please　　　　 D. It's a pleasure

25. Amy prefers ____ at home to ____ out at the weekends.

A. staying; going　 B. stay; going 　　C. staying; go　　　　　 D. stay; go

24. Do you know ____ will repair the robot that went wrong?

A. whether　　　 B. where　　　　　 C. who　　　　　　　 D. why

23. –Which do you think is ____ important, air tank, space suit or digital camera for an astronaut?

　 　--I think the digital camera.

A. less　　　　　 B. the most　　　　 C. more　　　　　　 D. the least

22. --Which would you like, a cup of tea or a glass of milk?

-- ______. I think I'll just have a glass of water.

A. Both 　　　　B. Neither　　 　　　C. None　　　　 　　　D. Either