Under certain conditions, the bombardment（  ）produce brand-new elements never detected in nature。

试卷相关题目

• 1I want to go shopping,but you（  ）with me。

  A.need go to

  B.do not need go

  C.need not go

  D.need gonot

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• 2It（  ）about eight o'clock when I got back home because l was already dark。

  A.had to be

  B.musthave been

  C.wasto be

  D.mustbe

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• 3Ail the lights are off; the Smiths（  ）。

  A.musthavegonetosleep

  B.mustbegoingtosleep

  C.must go to sleep

  D.must gosleeping

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• 4John’s score on this test is the highest in the class（  ）。

  A.hemusthavestudiedlastnight

  B.hehavestudiedlastnight

  C.heshouldhavestudiedlastnight

  D.heoughttohavestudiedlastnight

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• 5Mary is wet through,She（  ）in the river。

  A.can hawfallen

  B.must have fallen

  C.may fall

  D.shouldhave fallen

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• 6（  ）anybody else give correct answers to these questions。

  A.should

  B.Can

  C.May

  D.Must

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• 7He told me I（  ）go and see him at any time。

  A.can

  B.should

  C.might

  D.would

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• 8He hurried up so that he（  ）get there before five o’ clock。

  A.can

  B.may

  C.might

  D.must

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• 9They（  ）holding a meeting in the classroom at this moment。

  A.might be

  B.can be

  C.ought tobe

  D.should have been

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• 10We（  ）make sure that our drinking water Is clean。

  A.can

  B.may

  C.will

  D.must

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