-I_____but you didn’t hear me.

A.had to B.couldn’t C.didn’t answer D.did

32. He_____there now,but I am not sure.

A.maybe B.may be C.may have been D.might have been

33.The flower is dead.I_____it more water.

A.will give B.must give C.should have given D.would have given

34.-Does Tom want to go to the film?

-Yes,but he says_____tonight.

A.he’d not rather go B.he’ll rather not go C.he won’t rather go D.he’d rather not go

35.-Must I take a taxi?

-No,you_____.You can walk from here.

A.don’t B.must not C.don’t have to D.had better not to

36.The rest of the lecture_____interesting.

A.is B.are D.maybe D.sound

37.One and a half bananas____eaten by the little boy.

A.were B.was C.have been D.was to

38.The cattle_____still grazing in the fields.

A.was B.keeps C.were D.won’t

39.What caused the accident and who was responsible for it_____a mystery to us.

A.remains B.remain C.is D.look like

40. The reason for _______ he failed in the exam was that he was too careless.