______ the water run while you brush your teeth wastes water.

试卷相关题目

• 1I don't think it advisable_______.

  A.your studying math

  B.you to study math

  C.for you to study math

  D.of you to study math.

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• 2You'll regret ______ those words. You may hurt her feelings.

  A.say

  B.to say

  C.having said

  D.to have said

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• 3The computer centre, ______ last year is very popular among the students in this school.

  A.open

  B.opening

  C.having opened

  D.opened.

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• 4Time ______, they'll come here to watch us ______ football.

  A.permitted, playing

  B.permitted, to play

  C.permitting, play

  D.permitting, to play

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• 5Dina, __________for months to find a job as a waitress, finally took a position at a local advertising agency.

  A.struggling

  B.struggled

  C.having struggled

  D.to struggle

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• 6Would you please ______ write on the textbooks?

  A.don't

  B.not to

  C.not

  D.to not

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• 7. The doctor was so kind that he devoted all his spare time he had _______the poor boy.

  A.to helping

  B.helped

  C.helping

  D.to help

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• 8Helen had to shout_____.

  A.making herself

  B.to making herself hear

  C.making herself heard

  D.to make herself heard

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• 9-----Is there any news for the missing boy? ------Yes, he was observed _______computer games at 8o'clock  yesterday.

  A.play

  B.played

  C.to play

  D.playing

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• 10He is never allowed ________ in the room.

  A.to smoke

  B.smoking

  C.smoked

  D.to be smoked

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