In the past decade, the Internet _____ rapidly. It's believed that it_____ a greater growth in the future.

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• 1My father and my mother have been married for 30 years, and never once ____ with each other.

  A.have they quarreled

  B.they have quarreled

  C.did they quarrel

  D.had they quarreled

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• 2—  Do you think we should accept that offer? —  Yes, we should, for we _____ such bad luck up till now, and time _____ out.

  A.have had; is running

  B.had; is running

  C.have; has been run

  D.have had; has been run

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• 3— He _____ without our help. — Yes, I know. We have to admit that nobody can match him.

  A.would not have succeeded

  B.has succeeded

  C.should have succeeded

  D.has failed

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• 4So far Peter _____ back. Shall we make a phone call to him again?

  A.won't ring

  B.doesn't ring

  C.didn't ring

  D.hasn't rung

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• 5— Have you called 119?— As soon as I saw the smoke, I called the firemen, but they ____ yet.

  A.didn't arrive

  B.hadn't arrived

  C.haven't arrived

  D.wouldn't arrive

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• 6— I hope you've read the instructions. — Yes, of course _____.

  A.I have

  B.do

  C.I will

  D.did

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• 7We _____ our new neighbors yet, so we don't know their names.

  A.don't meet

  B.won't meet

  C.haven't met

  D.hadn't met

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• 8I wonder why Jenny ______ us recently. We should have heard from her by now.

  A.hasn't written

  B.doesn't write

  C.won't write

  D.hadn't written

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• 9For many years, people _____ electric cars. However, making them has been more difficult than predicted.

  A.had dreamed of

  B.have dreamed of

  C.dreamed of

  D.dream of

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• 10Leonardo da Vinci (1452 - 1519) _____ birds kept in cages in order to have the pleasure of setting them free.

  A.is said to be buying

  B.is said to have bought

  C.had said to buy

  D.has said to have bought

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