33. It’s quite ______ me why such things have been allowed to happen.

　 A. for　　　　 B. behind　　　　 C. beyond　　　 D. against.

32. What we used to think _______ impossible now does seem possible. .

A. was　　　　　 　 B. is　　　　 C. has been　　　　 D. will be

31. ___________ from other continents for millions of years, Australia has many plants and animals not found in any other country in the world.

A. Being separated　 B. Having separated　 C. Having been separated　 D. To be separated　

30. --- Do you mind my smoking here?

　 --- ________.　 A. No, thanks.　　 B. No. Good idea.　 C. Yes, please.　　 D. Yes. Better not.

29. A poet and artist _______ coming to speak to us about Chinese literature and painting tomorrow afternoon.　　　　　

A. was　　 　　 B. were　　　 　　　 C. are　　　 D. is

28. Maybe you have been to many countries, but nowhere else _______ such a beautiful place.

A. you can find　　　 B. can you find　 　　　 C. you could find　 　　　 D. could you find

27. _______ straight on and you’ll see a church. You won’t miss it.

A. Go　　 　　 B. Going　　 　　 C.　　　 If you go　　　 D. When going

26. He tried his best to solve his problem, ________ difficult it was.

A. no matter what　 　　　 　B. however　　　　 C. no matter　　　　 　 D. although

25. Look out! Don’t get too close to the house ________ the roof is under repair.

A. whose　　　 B. which　　　 　　 C. of which　　　 D. that

24. What shall we use for power when all the oil in the world has ________?

A. given out 　　　 　　B. put out　　　 C. held up　 　　 　D. used up