—You may find the key to the math problem on page 107. —Ah, it's so simple. I wonder why I _____ of that.

试卷相关题目

• 1Using a telescope we could see that something ______ .

  A.is happening

  B.happened

  C.would happen

  D.was happening

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• 2There are lots of problems in your hometown, but we're happy to see many of them__________.

  A.are solving

  B.are solved

  C.have solved

  D.are being solved

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• 3Sorry, I am too busy now. If I _____ time, I would certainly go for an outing with you.

  A.have had

  B.had had

  C.have

  D.had

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• 4Nearly half a million immigrants，many of them English—speaking， ______  in the country during the last quarter of the nineteenth century．

  A.have arrived

  B.had arrived

  C.arrived

  D.have been arriving

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• 5The manager is said to have arrived back from Paris where he _______ some European business partners.

  A.would meet

  B.is meeting

  C.meets

  D.had met

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• 6Jack could have avoided that terrible car accident, but he ________ careful enough.

  A.is not

  B.hasn't been

  C.was not

  D.hadn't been

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• 7Mr. Lee, who _______ as a carpenter for over 10 years, is now a very famous statesman in this country.

  A.has worked

  B.had worked

  C.worked

  D.works

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• 8When Nancy was at college, she ____ three foreign languages, but I am surprised to find that  she ____ all except a few words of each.

  A.spoke; had forgotten

  B.had spoken; had forgotten

  C.spoke; has forgotten

  D.had spoken; has forgotten

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• 9To understand the complex situation completely requires more thought than ________ so far.

  A.gave

  B.has given

  C.has been given

  D.is being given

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• 10I _________the office yesterday afternoon when a stranger came in with a boy．

  A.left

  B.was about to leave

  C.was to have left

  D.will leave

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