32. So difficult ______ it to work out the problem that I decided to ask my teacher for advice.

A. I did find　　　 　　　　 B. did I find　　 　　　　 C. I have found　　 　　 D. have I found

31. ---I ran into the back of a truck yesterday and damaged my car badly.

---I suppose you ______ too fast.

A. have driven　　 　　　 B. drove　　　 　　　　　　　　　 C. were driving　　 　　 D. had driven

30. US President-elect Barack Obama's victory shows that people are born equal whatever ______ they are of, white, black or yellow.

A. nation　　　　　 　　　 B. state　　　　 　　　 C. race　　　 　 　　　　 D. people

29. ---Do you still remember when we went to the Summer Palace?

---I can't remember it well, but it ______ sometime last July.

A. must have been　 　　　 B. might be　　 　 　　　　 C. could be　　 　 　　　　 D. might have been

28. ---I'm afraid there's only bread and cheese now. This isn't enough for you, is it?

---Yes, it is．______.

A. I don't want to eat too much　　　 　　　 　　　　 B. You should have done better

C. It's hard to say　　　　　　　　　 　 　　　　 D. Thank you all the same

27. Scientists have developed a new system ______ to give a warning seconds before an earthquake.

A. having been designed　　　　　　 B. designed 　　　　 C. to design　 　　　　　　　 　　　　 D. designing

26. After several rounds of competition, the little girl ______ because of her excellent English and quick wisdom.

A. stood out　　　 　　　　 B. picked out　 　 　　　　 C. turned out　　　 　　 D. came out

25. --- I'm afraid I have to give it up.

--- Don't be discouraged. Remember ______ sticks to his work will succeed one day.

A. anyone　　　　　 　　 B. who　　　 　 　　　　 C. whoever　　　 　 D. no matter who

24. ---You couldn't have chosen any ______ gift for me.

---I'm glad you like it so much.

A. bad　　　　 　　　　　　　 　　　　 B. worse　　　 　 　　　　 C. nice　　　　　　 　 D. nicer　

23. ---I haven't got a mobile phone.　　

---I think you should have ______. It's useful for you.

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