________ many times, he finally understood it.

试卷相关题目

• 1 ________ all day, I went to bed early.

  A.Working hard

  B.Worked hard

  C.Having worked hard

  D.To work hard

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• 2Standing there，I could almost smell the rain coming．And it did．Suddenly the lightning flashed through the clouds，nearly ________ me．

  A.having blinded

  B.blinded

  C.blinding

  D.to blind

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• 3______ with care, one tin will last for six weeks.

  A.Use

  B.Using

  C.Used

  D.To use

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• 4A study ________ in the USA in 1977 showed that the chemical ASA in aspirin could prevent a stroke.

  A.carrying out

  B.carried out

  C.working out

  D.worked out

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• 5Some people claim ________ the rumor that some Egyptians are planning a 100,000 people anti-government protest．

  A.to overhear

  B.to have overheard

  C.having overheard

  D.to be overheard

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• 6John has really got the job because he showed me the official letter ________ him it.

  A.offered

  B.offering

  C.to offer

  D.to be offered

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• 7Some people try to knock me down, only ______ me more determined to do better.

  A.to make

  B.makes

  C.having made

  D.made

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• 8However, the eruption itself is really exciting ________ and I shall never forget my first sight of one.

  A.to watch

  B.to be watched

  C.watched

  D.watching

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• 9_____ to get there before noon, the postman set off in spite of the heavy fog.

  A.Promising

  B.To promise

  C.Having promised

  D.Promised

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• 10Many of the road signs and advertising billboards are now in English,________ Beijing more accessible to foreigners.

  A.making

  B.made

  C.to make

  D.having made

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