34. They pretended ________ hard when their boss passed them.

A. to work　　　　　　　　　　 B. being worked　　 　to be working　　　　 D. working

33. - Mary, let’s go to the lecture by Hawking, which is said to be very interesting.

　 - I’d like to, but I ________ finish the report first.

A. can　　　　　　　　　　 B. may　　　　　　　　　 　must　　　　　　　　　　　 D. shall

32. After being broadcast on TV, the news was known by all ________.

　 A. at any time　　　　　 B. in no time　　　　　 　all the time　　　　　　　　　　 D. at one time

31. It occurred to me ________ Jack might be interested in the problem we had discussed.

A. what　　　　　　　　　 B. why　　　　　　　　　 　how much　　　　　　　　　　 D. that

30. Mary wrote books to earn money while John gained his wealth ________ selling Mary’s works.

　 　A. with　　　　　　　　　 B. by　　　　　　　　　　 　on　　　　　　　　　　　　 D. through

29. It took me quite a long time to ________the new environment here.

　 A. adapt to　　　　　　　　　　 B. relate to　　　　　　 　apply to　　　　　　　　 D. attach to

28. -I’ll call you at 9 tomorrow morning, OK?

　 -You’d better not, I ______ the piano then.

　 A. will be practicing　　　　　　　　　　　　　　 B. am about to practice

　am practicing　　　　　　　　　　　　　　　　 D. practiced

27. Many people expect that credit cards will eventually______ paper money for almost every purchase.

A. trade　　　　　　　　　 B. replace 　　　　　　 　exchange　　 　　 D. reduce

26. A person ________ email account is full won’t be able to send or receive any emails.

A. who　 　　　　　　　　　　 B. whom　 　　　　　　 　whose 　　　　　 　　　 D. whoever

25. Global warming causes the ocean ________, which in turn speeds ice melting.

　 A. to warm　 　　　　 B. warming　 　　　 　warmed 　　　　　　　 D. warm