81. He is not ppoor, You______ have lent him the money.

　　A. can’t B. needn’t C. couldn’t D. mustn’t

　　82.Most of the students feel nervous when they are reminded that it will be about half a year_____ they take the natoional exam.

　　A. since B. That C. before D. until

　　83.I don’t know what time it was______I fell asleep last night.

　　A. that B.when C.since D.before

　　84. ---Are you going camping?

　　--- I have signed up but I am considering_______.

　　A. not to go B. not going C. won’t go D. not go

　　85. My two dogs have quite different________,.One is rather fierce while the other is pretty gentle.

　　A kinds B. advanteages C. natures D. ages

　　86.Spring is coming and the ice in the river is beginning________.

　　A. melt B. to melt C. be melted D. melted

　　87. In order to look after his sick mother, he asked for month’s______.

　　A. holiday B.vacation C. leave D.off

　　88. You can’t expect him to do housework as well______ after children.

　　A. as looking B. to look C. as look D. as to look

　　89. It ’s too bright in the sun. You’d better wear a pair of dark galasses to______ your eyes______ the sun.

　　A. stop ; from B. preotect ; from C. keep ; from D. pretect ; for

　　90.We have never discovered what______ between them that night.

　　A. had happened B. took place C. was happened D. took the place

　　91. Aong with the letter was his promise_______ he would visit me this coming christmas.

　　A. which B. that C. what D. whether

　　92.It was some time______we realized the truth.

　　A. When B. until C. since D. before

　　93. The boy is hard_____,for he likes running about and won’t stop a bit.

　　A.to take place B. to be taken care C. taking care of D.to take care of

　　94. The______ boy was last seen_______near the East Lake.

　　A. Missing ; playing B. missing ; play C. missed; played D. missed ; to play

　　95. If a man______succeed, he must work as hard as he can.

　　A.Will B. is to C. is going to D.should

　　96. ---Your daughter must be pretty.

　　--- But to tell you the truth, she is________being such a beauty as you can imagine.

　　A. far from B. as well as C.no better than D. by means of

　　97.______ the danger from another attack of earthquake, people had to overcome a shortage of food, drinking water, medicine, clothing ,and almost everything.

　　A. As far as B. As well as C. As bad as D.As much as

　　98. Mary’s score on the test is the highest in her class; she______have studied very hard.

　　A.May B. should C. must D. ought to

　　99. The room is in terrible messes ; it______cleaned.

　　A. can’t have been B. shouldn’t have been C. mustn’t have been D.wouldn’t have been

　　100. You____ all those calculations! We have a computer to do that sort of thing.

　　A. needn’t have done B. shouldn’t have done C. must not have done D. can not have done