Only in this way ________to make an improvement in the operating system.

试卷相关题目

• 1None of them could understand your meaning, _____?

  A.could they

  B.didn't he

  C.do they

  D.could it

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• 2Tom could hardly understand you, _____?

  A.could he

  B.couldn't he

  C.couldn't you

  D.could you

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• 3Bill's aim is to inform the viewers that cigarette advertising on TV is illegal, ________?

  A.isn't it

  B.is it

  C.isn't he

  D.is he

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• 4Never _________ to the foreign invaders, no matter how powerful they seem to be.

  A.we can give in

  B.we should give up

  C.can we give in

  D.should we give up

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• 5The new technology, if ________ to farming, will help increase the grain output.

  A.applying

  B.to apply

  C.applied

  D.having applied

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• 6Off ________ without so much as a goodbye.

  A.did Jenny go

  B.went Jenny

  C.Does Jenny go

  D.goes Jenny

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• 7So sudden an attack ________ that the enemy could hardly have any time to fly for their lives.

  A.we made

  B.we had made

  C.did we made

  D.had we made

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• 8Only ________ from university ________ how difficult it was to make a good career.

  A.when did I graduate; I realized

  B.when did I graduate; did I realize

  C.when I graduate; did I realize

  D.when I graduated; did I realize

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• 9Only after Mary read her composition the second time ________ the spelling mistake.

  A.did she notice

  B.she noticed

  C.does she notice

  D.she has noticed

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• 10In the dark forests ________，some large enough to hold several English towns.

  A.stand many lakes

  B.lie many lakes

  C.many lakes lie

  D.many lakes stand

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