Knock at the door ________ and perhaps you will get an answer.

试卷相关题目

• 1I ________ his gift, but I didn't ________ it.

  A.accept; receive

  B.receive; accept

  C.receive; receive

  D.accept; accept

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• 2At first, everyone listened attentively, but ______ some people became restless and a couple of them began to leave．

  A.in the end

  B.by the end

  C.at the end

  D.towards the end

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• 3No one has yet succeeded in explaining the ________ of how life began.

  A.reason

  B.puzzle

  C.problem

  D.cause

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• 4When you go out for a picnic, you must ________ snakes in the bushes.

  A.be careful

  B.look out

  C.watch out for

  D.take care of

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• 5She told me that she ________ by swimming and playing tennis.

  A.remained health

  B.kept fit

  C.in good health

  D.was in good health

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• 6Work hard and you will succeed ________.

  A.in time

  B.on time

  C.in no time

  D.at no time

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• 7Something that is_______ can be moved easily from place to place.

  A.mobile

  B.moving

  C.alive

  D.lively

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• 8This is a small country with a large population ．Its population ________is 237 people per square kilometre．

  A.distribution

  B.condensation

  C.shortage

  D.density

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• 9Ice and water are the same ________in different forms．

  A.material

  B.stuff

  C.substance

  D.thing

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