If a computer crashes，you will lose the file you _____ on if you don't save it early enough.

试卷相关题目

• 1According to a UN report, some 844 animals and plants ______ in the last 500 years.

  A.disappeared

  B.were disappeared

  C.have disappeared

  D.had been disappeared

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• 2The theory he had stuck _______ to be true

  A.proved

  B.to proving

  C.to prove

  D.to proved

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• 3By the time the tornado ended, more than 700 people _________

  A.have killed

  B.had been killed

  C.were killed

  D.had killed

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• 4Upon their entering the tomb, Carter's lucky pet bird, which he ____ in Cairo, was swallowed by a snake.

  A.was left

  B.had left

  C.left

  D.was leaving

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• 5Where were you at lunch time? I ________ a seat for you in the dining hall.

  A.saved

  B.was saving

  C.had saved

  D.have saved

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• 6Using a telescope we could see that something      .

  A.is happening

  B.happened

  C.would happen

  D.was happening

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• 7Instead of flocking into the cities, the peasants __________ villages and townships of a new type in the past few years.

  A.had built

  B.was building

  C.have been building

  D.built

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• 8Every possible means _______ to prevent the crash , but the computer doesn't still work．

  A.is used

  B.are used

  C.has been used

  D.have been used

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• 9The stone on the river bank rolled under her feet； she was _____into the river，and she called out for help.

  A.being jumped

  B.jumped

  C.pulled

  D.being pulled

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• 10The order came that the medical supplies______to Beijing for the H1N1 flu soon.

  A.would be sent

  B.should send

  C.be sent

  D.must be sent

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