Tim must have failed in the exam, ________I knew from his expression.

A.must have failed

B.would have failed

C.could have failed

D.should not have failed

A.A.You must not have left yourself enough tim

B.B.I'm sorry, but my wallet was stolen.

C.C.I'll go to visit him now.

A.ought have studied

B.ought to have studied

C.must have studied

D.may have studied

A.Move to another place that must be soundproofe

B.Take turns to pay attention to the setting from time to tim

C.Have more eye contact with the person being engaged wit

D.Speak louder enough to make ourselves heard clearly.

听力原文：W: In Judy's case, why is she discharged？

M: Because as a general rule, a bill of exchange must be duly presented for payment. Judy must have failed to observe the very strict rules about it.

Q: Why did Judy lose her rights？

(18)

A．Because she lost her bill.

B．Because her bill didn't mature.

C．Because she forgot the rules.

D．Because her bill was not duly presented.

A. It's none of your business

B. You'll get involved in it

C. Tim must be thinking about it

D. Well, if he can't control it, no one can

A.somebody

B.everybody

C.nobody

D.anybody

A.finish

B.will finish

C.finished

D.will have finished

A.the other

B.others

C.other

D.the others

A.Have l had time

B.Had l time

C.Had l had time

D.Would l have time