If _____ unsolved, this may lead to more serious problems.

试卷相关题目

• 1When _____ help, one often says 'Thank you' or 'It's kind of you'.

  A.offering

  B.to offer

  C.to be offered

  D.offered

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• 2______ with people in the West, people in the East pay more attention to their family.

  A.Comparing

  B.Compared

  C.Being compared

  D.To compare

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• 3— Where is Tom? I have something important to tell him.— I last saw him _____ in the library reading.

  A.sit

  B.seated

  C.seating

  D.sat

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• 4The result of the entrance exams was not made ______ to the public until last Thursday.

  A.knowing

  B.to know

  C.known

  D.to be known

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• 5With so many trees and flowers _____ about, our school campus looks like a beautiful garden.

  A.planted

  B.to be planted

  C.planting

  D.being planted

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• 6Linda worked for the Minnesota Manufacturing and Mining Company, ____ as 3M.

  A.knowing

  B.known

  C.being known

  D.to be known

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• 7The beautiful park, _____ with thick trees, is much larger than what it used to be.

  A.which surrounds

  B.surrounded

  C.surrounding

  D.having surrounded

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• 8The Whites are living in a house ______ more than a century ago.

  A.to be built

  B.built

  C.being built

  D.having built

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• 9The teacher told us not to take the equipment out of the laboratory until ______.

  A.allowed to

  B.allowing to

  C.allowing to take

  D.allowed to be taken

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• 10He sat in the classroom with his eyes _____ on the blackboard.

  A.fixed

  B.fixing

  C.were fixed

  D.were fixing

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