33. A. telling         B. guessing              C. thinking            D. choosing

31. Beijing Capital International Airport Terminal 3 is the most amazing place I’ve ever ________.

    A. worked            B. been             C. seen                D. gone

30. Do not make any noise while you ________.

A. waited             B. were waiting         C. will wait            D. are waiting

29. The digital camera doesn’t work well. There ________ something wrong with it.

    A. seems to be         B. seem to be           C. seems to have        D. seem to have

28. -- Why didn’t you stop the ball?

-- ________ I could catch it, a boy from Class Three suddenly appeared and caught it.

    A. Until                B. When              C. After               D. Before

27. We didn’t know each other at that time, ________ we’re good friends now.

    A. because           B.  since             C. but                 D. if

26. You must find out how much it ________ to have a one-year study in England before going there.

    A. costs               B. spends             C. pays                D. uses

25. You can’t print the photo if you ________ the wrong button.

    A. will press           B. pressed               C. press               D. have pressed

24. I asked Emily why she didn’t bring me my notebook, but she couldn’t remember ________ it.

    A. lending             B. borrowing          C. to lend              D. to borrow