The calculations, had they been done by hand, ______all practical value by the time they were finished.

试卷相关题目

• 1— Must I do it now?— No, you____.

  A.won't

  B.needn't

  C.can't

  D.don't

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• 2The boss has given everyone a special  holiday, so we ______ go to work  tomorrow.   

  A.can't

  B.mustn't

  C.needn't

  D.shouldn't

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• 3— _____ I return the dictionary within three days?     — No, you____. You _____ keep it for five days.    

  A.May; needn't; will

  B.Can; mustn't; would

  C.Must; don't have to; can

  D.Shall; can't; should

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• 4What do you mean, there are only ten tickets? There ______ be twelve.

  A.must

  B.can

  C.will

  D.should

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• 5— Goodbye, John. Come back again sometime.— Sure. ______.

  A.I did

  B.I do

  C.I shall

  D.I will

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• 6— I haven't got the reference book yet, but I'll  have a test on the subject next month.   — Don't worry. You ____  have it by Friday.     

  A.could

  B.shall

  C.must

  D.may

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• 7—  Was the bungee jumper killed since the line broke after he jumped off the bridge?—  Well, it's totally unbelievable that he ______ have survived the jump.

  A.would

  B.must

  C.could

  D.should

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• 8Nuclear ______ be really dangerous at times even though it's a nice energy in general.

  A.shall

  B.can

  C.should

  D.must

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• 9— Bad news?— If you ______ know, Li Na got defeated again in the first round!

  A.can

  B.will

  C.shall

  D.must

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• 10—Why are those people gathering in the middle of the street?— I don't know. There _______ be an accident.

  A.shall

  B.should

  C.can

  D.might

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