a. Should

　　b. Can

　　c. Might

　　d. May

　　9.There are nine of them, so ______ get into the car at the same time.

　　a. they may not at all

　　b. all they may not

　　c. they can’t all

　　d. all they can’t

　　10.“We didn’t see him at the lecture yesterday.” “He ______ it.”

　　a. mustn’t attend

　　b. cannot have attended

　　c. would have not attended

　　d. needn’t have attended

　　11.“You realize that you were driving at 100 mph, don’t you?”

　　“No, officer. I ______. This car can’t do more than 80.”

　　a. didn’t need to be

　　b. may not have been

　　c. couldn’t have been

　　d. needn’t have been

　　12.he was a good runner so he ______ escape from the police.

　　a. might

　　b. succeeded to

　　c. would

　　d. was able to

　　13.If they ______, our plan will fall flat.

　　a. are co-operating

　　b. had not co-operated

　　c. won’t co-operate

　　d. didn’t co-operate

　　14.I hoped ______ my letter.

　　a. her to answer

　　b. that she would answer

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