33. 　　　the Internet is of great help. I don't think it's a good idea to spend too much time on it.

A. If　　　　　 B. While　　　　　　 C. Because　　　　 D. As　　　　　　　 　[B]

32.I called Hannah many times yesterday evening，but I couldn't get through. Her brother 　　on the phone all the time!

A. was talking　 B. has been talking　 C. has talked　　 D. talked　　　　　　　 　[A]

31.The growing speed of a plant is influenced by a number of factors， 　　are beyond our control.

A. most of them　　 B. most of which　　 C. most of what　　 D. most of that　　　 [B]

30. 　　　the project as planned，we'll have to work two more hours a day.

A. Completing　　 B. Complete　　　　 C. Completed　　　 D. To complete　　　 [D]

29.When asked　 　　they needed most，the kids said they wanted to feel important and loved.

A. what　　　　 B. why　　　　　 C. whom　　　　　 D. which　　　　　　　 　[A]

28. You don't have to know the name of the author to find a book. You 　　find the book by the title.

A. must　　　　 B. need　　　　　 C. can　　　　　 D. would　　　　　　　　 [C]

27.—When did you last hear 　　　Jay?

　 —He phoned me this morning，and we agreed 　　　a time and place to meet.

A .of, to　　 B. about, with　 　C. from, with　　　 D. from, on　　　　　　　　　 [D]

26. The trees　 　　in the storm have been moved off the road.

A. being　 blown down　　　　　　　　 B. blown down

C. blowing down　　　　　　　　　　　 D. to blow down　　　　　　　　　　　 [B]

25. Last night Mr. Crook didn't come back at the usual time. 　　,he met some friends and stayed out until midnight.

A. Meanwhile　　 B. However　　　 C. Instead　　　　 D. Yet　　　　　　　　　 [C]

24. 　　the website of the Fire Department in your city，and you will learn a lot about

　firefighting.

A. Having searched　 B. To search　　 C. Searching　　　 D. Search　　　　　　　 [D]