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31. Hundreds of jobs ______ if the factory closes.

    A. lose                 B. are lost           C. will lose          D. will be lost

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30. This kind of computer ______ well both at home and abroad.

    A. sold                B. are sold           C. sells             D. sell

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29. Scientists wanted to find out whether these new technologies ______.

    A. would be worked       B. will work         C. will be worked      D. would work

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28. New technologies ______ in the building of the plane.

    A. had been used          B. have used         C. have be used       D. were used

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27. The room is in a terrible mess; it ______ cleaned.

   A. can’t have been         B. couldn’t be        C. mustn’t be            D. mustn’t have been

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26. Kelly has been working on the documents since last Monday. She ______ everything ready but I am   not sure.

    A. must have got          B. may get           C. may have got       D. ought to get

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25. Johnny, you ______ play with the knife, you ______ hurt yourself.

   A. won’t; can’t       B. mustn’t; may      C. shouldn’t; must     D. can’t; shouldn’t

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24. Because of the serious flood, two-thirds of the roads in the area     .

    A. need repairing            B. need repair       C. need to repairing       D. need to repair

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23. My MP4 player isn’t in my bag. Where ____       I have put it?

     A. can               B. must           C. should          D. would

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22. ---Excuse me, but I want to use your computer to type a report.

  ---You ______ have my computer if you don’t take care of it.

    A. shan’t       B. might not            C. needn’t      D. shouldn’t

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