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    ¡ªBelieve it or not! I should get my lost wallet back after I left it in the taxi this morning.
    ¡ªCouldn¡¯t agree more! You know, someone _______ it. There are still good persons in Chongqing.
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    All morning as she waited for the medical report from the doctor, her nervousness _____.
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    ¡ª¡ªTomorrow ____ my birthday. I¡¯d like you and Jane to come.
    ¡ª¡ªI¡¯m not sure if she ____ free.
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    Today many physical bookstores ________ down with financial difficulties, inflexible management strategies and competitive pressure from online bookstores.
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    C£®being closedD£®are closing

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    ¡ªI'm not finished with my dinner yet.
    ¡ªBut our friends ________ for us.(2010¡¤±±¾©)
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    C£®have waitedD£®are waiting

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    Though the medicine for my disease______, I should often______ at home or in the open air.
    A£®works out; work out B£®is working; work out
    C£®is working out; work D£®works; work

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    New medicines and instruments ______ every day to extend life.
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    C£®are developingD£®have developed

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    ¡ªHave they got their new house painted yet?
    ¡ªI don't know. But I was told it ________ when I met them last week.
    A£®had been paintingB£®would be painting
    C£®was paintedD£®was being painted

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    ¡ªWhat's the matter with Philips?
    ¡ªSomething must have happened to him. He left home three hours ago, but ________ at the party!
    A£®didn't arriveB£®isn't arriving
    C£®hadn't arrivedD£®hasn't arrived

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