Ignorance and negligence____this mistake.

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• 1The wheel and axle____a rotating lever.

  A.is

  B.was

  C.are

  D.were

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• 2There____in this room.

  A.are too many rooms

  B.are too much room

  C.are plenty of rooms

  D.is plenty of room

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• 3A large number of cars____parked in front of my house.

  A.is

  B.are

  C.was

  D.has

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  B.is

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  D.be

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• 5The office staff____gathered to hear the President speak.

  A.is

  B.are

  C.be

  D.will

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• 6Truth and honesty____always best policy.

  A.are

  B.is

  C.have been

  D.become

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• 7No sulfur and no phosphorus(磷) ____present in this product .

  A.are

  B.were

  C.will

  D.is

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• 8Every hour and every minute____important.

  A.are

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  D.will

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• 9In each room____ten students.

  A.are

  B.is

  C.there is

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• 10____from the tenth floor when the policeman pointed his pistol at him.

  A.Jumped down the burglar

  B.Down the burglar jumped

  C.The burglar jumping down

  D.Down jumped the burglar

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