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11、I don’t think he could have done such a stupid thing last night,_________?

A.do I          B.could I          C.did he               D.has he

10、Prices of food in that area__________sharply since word came that the war would break out soon.

A.were cut down. B.were rising      C.had gone up        D.have been going up

8、The mother didn't know ____ to blame for the broken glass as it happened while she was out.

A. who       B. when

C. how       D. what

7、Jumping out of ____ airplane at ten thousand feet is quite ____ exciting experience.

A.不填; the      B.不填; an

C. an; an        D. the; the

6、The taxi driver often reminds passengers to ____ their belongings when they leave the car.

A. keep     B. catch

C. hold      D. take

5、I wonder why Jenny ____ us recently. We should have heard from her by now.

A. hasn't written    B. doesn't write

C. won't write      D. hadn't written

4、John shut everybody out of the kitchen ____ he could prepare his grand surprise for the party.

A. which    B. when

C. so that    D. as if

3、We thought of selling this old furniture, but we've decided to ____ it. It might be valuable.

A. hold on to    B. keep up with

C. turn to       D. look after

2、Having a trip abroad is certainly good for the old couple, but it remains ____ whether they will enjoy it.

A. to see     B. to be seen

C. seeing     D. seen