44.[1996上海] Sir, you________ be sitting in this waiting room. It is for women and children only.

38.[1994上海] Michael ________ be a policeman, for he's much too short.

37.[2002全国] —Is John coming by train?

—He should, but he ________ not. He likes driving his car.

36.[2002春季全国] —I hear you've got a set of valuable Australian coins. ________ I have a look?

—Yes, certainly.

34.[2000全国] —Are you coming to Jeff's party?

—I'm not sure. I ________ go to the concert instead.

33.[2000春季全国] Sorry, I'm late. I ______ have turned off the alarm clock and gone back to sleep again.

32.[1999全国] —Will you stay for lunch?

—Sorry, ________. My brother is coming to see me.

29.[1997全国] The fire spread through the hotel very quickly but everyone ________ get out.

24.[1995全国] When a pencil is partly in a glass of water , it looks as if it ________ .

22.[1994全国]—Shall I tell John about it?

—No, you ________ I've told him already.