Our earth is getting warmer and warmer. It is time for us to_______ the emission(排放) of CO2.

试卷相关题目

• 1For the sake of enough time for study and rest, students are _________ from using cellphones in our school.

  A.encouraged

  B.forbidden

  C.required

  D.kept

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• 2Walmart, which is one of the largest American supermarket chains, _________some of its store open 24 hours on Mondays through Saturdays.

  A.keeps

  B.keep

  C.have kept

  D.had kept

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• 3The girl ______ in America for years． After graduation, she returned home, quite at a loss during her hunt for a job．

  A.was studied

  B.has been studied

  C.studied

  D.was studying

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• 4How is your sister? -She_______ quite good after the operation, but she is taking a tum for the worse today.

  A.felt

  B.feels

  C.had felt

  D.has been feeling

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• 5We are all ________ in books these days since the exams are coming.

  A.caught

  B.missed

  C.stuck

  D.buried

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• 6Parents ______ much importance to education. They will do their best to give their children that priceless gift.

  A.attach

  B.pay

  C.link

  D.apply

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• 7—I wonder why you didn't take part in the speech contest yesterday afternoon. —I'm terribly sorry, I________ myself.

  A.am conducted

  B.conducted

  C.was conducting

  D.would conduct

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• 8I would have helped you, but I ________ really occupied the whole week．

  A.was

  B.am

  C.had been

  D.were

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• 9Mum，you really need to have a rest！You ________in the kitchen ever since you came back home three hours ago.

  A.had worked

  B.were working

  C.have been working

  D.worked

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• 10Some of the wolves there _____ the fur.

  A.are hunting

  B.are hunting for

  C.hunt for

  D.are hunted for

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