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    科目： 来源：不详 题型：单选题

    ______from space, the earth with water _______70％ of its surface looks like a “blue blanket”.
    A．Seen; coveredB．Being seen; coversC．Seeing; coveringD．Seen; covering

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    科目： 来源：不详 题型：单选题

    _________ the task , they have to stay there for another two weeks.
    A．Not completingB．Not completed
    C．Not having completedD．Having not completed

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    科目： 来源：不详 题型：单选题

    He has done so many things, so he certainly deserves _______ to prison.
    A．sendB．to be sentC．sentD．sends

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    科目： 来源：不详 题型：单选题

          from the top of the tower, you can get a better view of the city.
    A．SeenB．To seeC．SeeingD．Being seen

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    科目： 来源：不详 题型：单选题

    When he came back three hours later, they were still ____on the sofa, _____ in conversation.
    A．sitting ; absorbingB．sitting ; to absorb
    C．seated ; absorbedD．seated ; to be absorbed

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    科目： 来源：不详 题型：单选题

    —The plan _______for the trip is very important.
    —I see, and he is sure to work it out on time.
    A．madeB．to be madeC．makingD．to make

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    科目： 来源：不详 题型：单选题

    Unless ___ to speak, you should remain silent at the conference.
    A．invitedB．invitingC．being invitedD．having invited

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    科目： 来源：不详 题型：单选题

    Mr Smith, _____ of the _____ speech, started to read a novel. 
    A．tired; boringB．tiring; boredC．tired; boredD．tiring; boring

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    科目： 来源：不详 题型：单选题

    Long ago, man used to ______ with his hands but now man is used to ______ with machines, and sometimes a robot is used to ___ instead of people.
    A．work, working, workB．work, working, working
    C．working, work, workingD．working, work, work

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    科目： 来源：不详 题型：单选题

    all the required papers, he didn’t answer the questions fluently in class．
    A．Having not readB．Not having read
    C．Not readD．Not to read

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