In doing scientific experiments one must be _______ careful with the instruments.

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• 1--- Don’t do that again. Don’t you think it _______? --- It maybe _______ to be successful.

  A.a waste of time; turns

  B.wastes of time; turns in

  C.waste of time; turns up

  D.a waste of time; turns out

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• 2In just a decade, the company has been ________ from a family business to a large operation.

  A.transformed

  B.transmitted

  C.transferred

  D.transported

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• 3Traffic on the bridge was_______for an hour because of the accident.

  A.held up

  B.held on

  C.held back

  D.kept on

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• 4People believe that mutual understanding _______ a happy marriage.

  A.takes to

  B.makes for

  C.brings down

  D.depends on

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• 5I could never_________ such a person as always complains everything.

  A.come up with

  B.put up with

  C.end up with

  D.live up to

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• 6He would rather_______his life than_______damage done to state property.

  A.lose,to see

  B.to lose,see

  C.to lose,to see

  D.lose,see

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• 7The news she looked forward to ____.

  A.come at last

  B.coming at last

  C.come recently

  D.came at last

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• 8----- The head teacher said we had only three days to finish the project. -------Don’t worry. We have already _________ two thirds of it.

  A.taken over

  B.got through

  C.made up

  D.come along

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