33. 　If the speed _____ you drive your car is beyond the limit, you will be punished.

A. by which　 　　 B. at which　 　　　　　 C. for which　 　　　 D. of which

32. Hello, is that 05377328876? Please _____ me _____ the president.

A. get; through　 B. hold; on to　 　　　　 C. put; through to　 　　 D. call; over

31. _____ he will return to his native land.　　　

A. It is long before that　　 　　　　　　 B. It won’t be long before

C. It is before long that　　 　　　　　　 D. It will be before long that

30. The maths problem is very difficult. I work it out, _____.　　

A. still　 　　　　　　 B. yet　 　　　　　　　　 C. although　 　　　 　　 D. though

29. 　　　　advertisements are of great help, I don’t think we should entirely rely on them.

　 A．Since　　　　　 B．While　　　　　　 C．Because　　　　　 D．As

28. -What do you want from the grocery store?

　 -- Oh, I just need some toothpaste and _____.　　　　

A. a little bit of other things　　 　　　　　　　　 B. a couple of other things

C. a few of some other things　 　　　　　　　　 D. some other little things or two

27. ____ plants and animals deep in the ocean, scientists may find a cure for some of our most serious human diseases.

　 A. To study　 　　 B. Studying 　　　　　　 C. Study　 　　　　　 D. By studying　　　　　　　

26. At the shopping centre, he didn’t know what _____ and _____ with an empty bag.　　

A. to buy; leave　 　　 B. to be bought; left　 C. to buy; left　 　　　 D. was to buy; leave

25. A few people were killed in the fire, but _____ were saved.　　　

A. the most　 　　 B. most of them　 　　　 C. most of whom　 　　　 D. most

24. – Why not go and have dinner in a restaurant?　

　 -- _____. It’s too expensive.

A. I agree　 　　　　　 B. I’m afraid not　 　　　　 C. I don’t think so　 　 D. I’m sure