The dangerous building could fall down any time, but that’s a risk we’ll have to_____.

   A. do    B. take     C. perform    D. make

You should have put the milk into the icebox, I expect it ______ undrinkable.

    A.became        B. had become       C.has become     D. becomes

The thieves ______ the waste paper all over the room while they were searching for the diamond ting.

    A.spread        B. scratched        C.scattered        D. burned

I was told that    10:15 flight would take us to Shanghai in time to reach    Fudan University.

A. the; /             B. the; a            C. a; the       D. /; the

She would rather _____ more money on books _____ on clothes.

       A. cost … not     B. to spare … don’t    C. pay … than   D. spend … than

I know a little bit about Italy as my wife and I ________ there several years ago.

A. are going     B. had been    C. went          D. have bee

So far this year we ______ a fall in house prices by between 5 and 10 percent.

A. saw       B. see     C. had seen     D. have seen

—I didn’t see her yesterday.

—Of course, you _____, because she had gone to a trip.

A. can’t      B. may not have      C. can’t have      D. mustn’t have

--What do you think of it?

--I think it is a thing of importance that it ____ done soon.

A. is       B. is to be       C. be       D. to be

He _____ without saying good-bye to them, for he always has good manners.

A. mustn’t have left    B. may not leave      C. shouldn’t have left   D. can’t have left