Don't use water to put out the fire if oil catches fire. As is known, oil ________ float on water.

试卷相关题目

• 1As to the question of whether we will sell our house or who we shall sell the house to, you ______ have an answer by tomorrow.

  A.will

  B.shall

  C.could

  D.must

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• 2According to the newly-made traffic regulation, whoever drives through red light ________ be fined at least 200 dollars.

  A.shall

  B.may

  C.would

  D.should

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• 3—Shall we go skating or stay at home?—Which ___ do yourself?

  A.do you rather

  B.would you rather

  C.will you rather

  D.should you rather

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• 4You ________ be hungry already- You had lunch only two hours ago!     

  A.can't

  B.wouldn't

  C.needn't

  D.mustn't

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• 5What do you mean, there are only ten tickets? There __________ be twelve.

  A.should

  B.would

  C.will

  D.shall

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• 6It's so wet this morning. It __________ have rained last night.

  A.should

  B.must

  C.may

  D.could

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• 7The post office is quite near. Miss Lin __________.

  A.mustn't hurry

  B.needn't hurry

  C.needn't have hurried

  D.mustn't have hurried

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• 8— Are you in a hurry?  —  No, in fact, I've got plenty of time. I _______ wait.   

  A.can

  B.may

  C.must

  D.should

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• 9She ______ have left school, for her bike is still here.

  A.can't

  B.wouldn't

  C.shouldn't

  D.needn't

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• 10The children wake up very early, and ________ to open the presents in their stockings.

  A.wait

  B.can't wait

  C.expect

  D.can't expect

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