C.to making

D.have made

41.The room is in a terrible mess;it cleaned.

A.can't have been

B.shouldn't have been

C.mustn't have been

D.wouldn't have been

42.We the letter yesterday,but it didn't arrive.

A.must receive

B.ought to receive

C.must have received

D.ought to have received

43.Eve was late for class again.She earlier.

A.should get up

B.must get up

C.need to get up

D.should have got up

44.Yoshould bear in mind that he is not so strong as he.

A.was used to be

B.used to be

C.was used to

D.use to

45.Two eyes see more than one.

A.can

B.may

C.will

D.should

46.yocontinue in your efforts and achieve new and greater successes.

A.Would

B.Will

C.May

D.Should

47.Yoyour tooth pulled out before it rot completely.

A.had better got

B.had to get better

C.had better to get

D.had better get

48.When we got to the cinema,the film hasn't started yet,so we.

A.needn't hurry

B.didn't need hurry