______ is even more important is that water began to appear on the earth's surface.

试卷相关题目

• 1Remember that there is still one point ______ we must make clear at the conference tomorrow.

  A.where

  B.why

  C.when

  D.that

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• 2The road is covered with ice. I can't understand ______ they insist on going by bike.

  A.why

  B.when

  C.how

  D.whether

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• 3—Why didn't you try your best to get on the bus? —I tried to , but _______ I could, it started moving.

  A.before

  B.when

  C.until

  D.after

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• 4Those who are not active or______ diet is high in fat will put on weight quickly.

  A.what

  B.that

  C.which

  D.whose

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• 5He doesn't have the habit of planning his travel expense, so he won't know what to do _______ the money runs out.

  A.once

  B.before

  C.unless

  D.though

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• 6Don't always believe him. Sometimes _____ he does is quite different from what he says.

  A.what

  B.that

  C.how

  D.who

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• 7She will fly to Washington, ________ she can enjoy herself.

  A.that

  B.which

  C.where

  D./

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• 8I can't tell which is better, ________ I am a green hand．

  A.but

  B.so

  C.or

  D.for

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• 9Sally worked late in the evening to finish her report _______ her boss could read it first next morning.

  A.so that

  B.because

  C.before

  D.now that

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• 10He is a key _______ in the murder so we must protect him from all kinds of danger.

  A.witch

  B.watcher

  C.wizard

  D.witness

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