You can't imagine what great trouble they have _________ the problem_______.

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• 1________ with routine office tasks, she had no time to attend to her children.

  A.Occupying

  B.Occupied

  C.Being occupied

  D.To be occupied

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• 2The bike requires _________. She requires the work _________ in ten minutes.

  A.repairing; be finished

  B.repaired; will be finished

  C.to be repaired; is finished

  D.to repair; be finished

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• 3What surprised me most was to see some of the village people ______ on the benches at the end of the classroom .

  A.seated

  B.seating

  C.seat

  D.to be seating

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• 4Her little son fell off the boat into the water due to her carelessness. The mother couldn't help ________ because she couldn't help _____ her son out of the danger.

  A.crying; to save

  B.crying; saving

  C.to cry; to save

  D.cry; saving

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• 5Many early Europeans, ________ the earth to be flat, feared that Columbus would fall off the edge of the earth.

  A.believing

  B.having believed

  C.believed

  D.to believe

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• 6________the problem of land erosion(侵蚀) getting more serious, the government is searching for a way to deal with it.

  A.As

  B.When

  C.With

  D.If

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• 7There was a _____ look on his face. He found what the expert said too difficult to understand.

  A.puzzle

  B.puzzling

  C.puzzled

  D.to puzzle

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• 8-- Well, an apple pie, a salad, and anything ____, sir? -- A soup, please.

  A.to follow

  B.follows

  C.followed

  D.following

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• 9________around Tiananmen Square , the tourists were taken to see the Palace Museum.

  A.Showing

  B.Having been shown

  C.Being shown

  D.Having shown

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• 10That could set off a “credit event,” ______ world financial markets into turmoil（混乱）, much as the collapse(倒闭) of Lehman Brothers ______ in the fall of 2008.

  A.threw；did

  B.throwing；did

  C.threw；had

  D.throwing；had

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