The flu is believed _____ by viruses that like to reproduce in the cells inside the human nose and throat.

试卷相关题目

• 1When the teacher came in, all the students pretended_____________their homework.

  A.to do

  B.doing

  C.to be doing

  D.done

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• 2His first book _____ next month is based on a true story.

  A.published

  B.to be published

  C.to publish

  D.being published

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• 3With a large amount of work _____, the chief manager couldn't spare time for a holiday.

  A.remained to be done

  B.remaining to be done

  C.remained being done

  D.remaining to do

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• 4At last the boy had no choice but ________ the bread from the supermarket.

  A.admit to have stolen

  B.admit having stolen

  C.to admit to have stolen

  D.to admit having stolen

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• 5She pretended ______ to the manager, but actually she was thinking about something else.

  A.to listening

  B.to have listened

  C.to be listening

  D.having listened

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• 6Advertising is different from other forms of communication in that the advertiser pays for the message _____.

  A.to deliver

  B.delivered

  C.to be delivered

  D.delivering

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• 7The sports meet, originally _____ this week, has to be put off because of the bad weather.

  A.held

  B.holding

  C.having been held

  D.to be held

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• 8— What the hell annoyed him? — _____ speeding.

  A.Tom having not accused

  B.Tom's not having been accused of

  C.Because Tom hadn't been accused of

  D.Tom's not being accused

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• 9The news reporter hurried to the airport, only _____ that the film stars had left.

  A.to be told

  B.told

  C.being told

  D.to tell

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• 10They ignored what the weather forecast said and went on their exploration, ____   in heavy snow on the mountain.   

  A.being caught

  B.only to be caught

  C.only to catch

  D.only catching

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