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    科目： 来源：同步题 题型：单选题

    The injured person was still ________ on the bed where he was ________.
    [     ]
    A. lying; lay  
    B. lied; laying
    C. lying; laid  
    D. lain; lying

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    科目： 来源：专项题 题型：单选题

    If a computer crashes, you will lose the file you ______ on if you don't save it early enough.  
    [     ]
    A. work          
    B. are working        
    C. will work          
    D. worked

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    科目： 来源：专项题 题型：单选题

    Hurry! The train ________. You know it ________ at 8?00 a. m..
    [      ]
    A. leaves; leaves
    B. leaves; is leaving
    C. is leaving; leaves  
    D. is leaving; leaving

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    科目： 来源：专项题 题型：单选题

    The couple don't generally give in to each other, so they ________ when they are together.
    [      ]
    A. have quarreled  
    B. are always quarreling
    C. had quarreled  
    D. have been quarreling

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    科目： 来源：山东省模拟题 题型：单选题

    —Can you guess what’s the front page news today?
    —Of course, these days everybody _____ about the earthquake.
    [     ]
    A. is talking
    B. talked
    C. has talked
    D. had talked

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    科目： 来源：同步题 题型：单选题

    It________hard now，otherwise we could have a barbecue on the beach.
    [     ]
    A．rained  
    B．is raining
    C．rains  
    D．would rain

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    科目： 来源：同步题 题型：单选题

    -What’s that terrible noise?
    -The neighbour________a table to the floor
    [     ]
    A．have fixed  
    B．are fixing
    C．fix  
    D．will fix

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    科目： 来源：吉林省期中题 题型：单选题

    —Have you decided when to leave for Beijing?
    —Yes, I ______ the day after tomorrow.
    [     ]
    A. am leave
    B. have left
    C. left  
    D. am leaving

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    科目： 来源：同步题 题型：单选题

    Professor Smith, together with his assistants, ________on the project day and night to meet the deadline.
     [      ]
    A. work  
    B. working
    C. is working  
    D. are working

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    科目： 来源：同步题 题型：单选题

    I am ________ both speaking and writing.
    [     ]

    A.concentrated
    B.concentrating
    C.concentrated on
    D.concentrating on

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