There is no doubt ________ the earth is becoming warmer.

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• 1—I'll miss you，dear. —It ________ long before we meet again，Mom. It's only one month away from Christmas.

  A.will be

  B.won't be

  C.is

  D.isn't

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• 2You are always telling me I am lazy. Look at your room. What a mess it is! ________.

  A.The day has eyes, the night has ears

  B.The great thieves punish the little ones

  C.That is like the pot calling the kettle black

  D.When one will not, two cannot quarrel

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• 3It never _____  humans until the mid1990s that some animals can be cloned.

  A.occur

  B.is occurred

  C.occurred to

  D.occurred

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• 4The brave soldier would prefer to _____ rather than ______ and in the end the enemy had to kill him.

  A.dying, giving in

  B.die, to give in

  C.dying, to giving in

  D.die, give in

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• 5 ________ our earth, or else it will be no longer fit for us to live on.

  A.Protect

  B.To protect

  C.Protecting

  D.Protected

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• 6—Why are you so late? —I was in half the way when it______to me that I had left my notebook home，so I had to fetch it.

  A.occurred

  B.hit

  C.happened

  D.reminded

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• 7All the government leaders and policemen in Thailand must see to ______ that every citizen should stay safe and sound in the terrible flood.

  A.all

  B.everything

  C.it

  D.themselves

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• 8The manager promised to keep me_______ how our business was going on.

  A.informing of

  B.informed of

  C.to inform of

  D.on informing

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• 9He is so addicted to smoking that ________ seems to be no chance of talking him into quitting.

  A.this

  B.what

  C.it

  D.there

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• 10The E-mail Jack had looked forward to ______ last night at last and he was very happy.

  A.arrived

  B.arriving

  C.had arrived

  D.arrived

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