.Three-fourths of the surface of the earth_______se

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• 1The water will be polluted unless some measures _____.

  A.will be taken

  B.are being taken

  C.are taken

  D.were taken

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• 2The new suspension bridge _______by the end of last month.

  A.has been designed

  B.had been designed

  C.was designed

  D.would be designed

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• 3—How long can I keep the book? —A week. You _____to return it by Monday. 

  A.expect

  B.will expect

  C.are expected

  D.will be expected

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• 4----I _____ the book for a whole hour . ---- No wonder you look so tired .

  A.have read

  B.have been reading

  C.read

  D.are reading

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• 5If only I _____ a few days ago！Then I wouldn't have been feeling so worried now.

  A.looked ahead

  B.could look ahead

  C.were to look ahead

  D.had looked ahead

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• 6To his disappointment, the opinion he had stuck ______ out wrong.

  A.to turn

  B.to turning

  C.to turned

  D.to be turned

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• 7Though ______ to see us，the professor gave us a warm welcome。

  A.surprising

  B.was surprised

  C.surprised

  D.being surprised

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• 8My arrival was timed perfectly; it was the second weekend of November, when the world largest wine auction ________.

  A.held

  B.was being held

  C.was held

  D.was to hold

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• 9Every Monday morning, students in our school would stand at attention, watching the national flag ______.

  A.raising

  B.rising

  C.being risen

  D.being raised

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• 10The train ____ at present speed until it reaches Beijing.

  A.is running

  B.will be running

  C.will have run

  D.has run

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