Pollution is ______bad ______many rivers are full of chemicals and kill sea creatures.

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• 1“It's a secret….” he lowered his voice and whispered ________ no one could overhear it.

  A.in case

  B.even if

  C.so that

  D.as if

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• 2Seeing the policeman coming, away ________．

  A.the boys ran

  B.ran the boys

  C.did the boys ran

  D.the boys run

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• 3East of our city ______ a world-famous pagoda dating from Tang Dynasty.

  A.stands

  B.stand

  C.stood

  D.standing

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• 4One third of the workers in this city ________ now on strike．

  A.is to be

  B.is

  C.are to be

  D.are

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• 5________ no modern technology, the Egyptians had to move each stone by hand.

  A.It being

  B.There being

  C.There was

  D.Being

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• 6The H1N1 flu spread very quickly at the beginning, __________, many people were ill.

  A.therefore

  B.instead

  C.in advance

  D.however

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• 7Every possible means ________ to prevent water pollution, but we still have not enough clean water．

  A.has been used

  B.are used

  C.were used

  D.have been used

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• 8We are now enjoying the cool air in the room. ________, the farmers are harvesting crops in the hot sun.

  A.Therefore

  B.Besides

  C.As a result

  D.In the meantime

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• 9The silence in the dark building was scaring. No sound and voice ________ heard at that moment.

  A.were

  B.was

  C.is

  D.are

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• 10It is because English is being widely used at present ________

  A.why we learn it hard

  B.that we learn it hard

  C.which we must learn

  D.when we should learn

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