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    科目： 来源：同步题 题型：单选题

    I wonder if John has forgotten my number. I _____ him to call me for the past two hours.
    [     ]
    A. was expecting
    B. had expected
    C. have been expecting
    D. expected

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    科目： 来源：期末题 题型：单选题

    — Hi, Tracy, you look tired.
    — I am tired. I ____ the living room all day.
    [     ]
    A. painted
    B. had painted
    C. have been painting
    D. have painted

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    科目： 来源：浙江省模拟题 题型：单选题

    Efforts to stop smoking in public areas _____ progress in Hangzhou in recent weeks.
    [     ]
    A. made
    B. have been made
    C. have been making
    D. are making

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    科目： 来源：期末题 题型：单选题

    Maybe Jack has forgotten our appointment completely. I ____ him to call for the past two hours.
    [     ]
    A. have been expecting
    B. have expected
    C. have been expected
    D. expected

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    科目： 来源：浙江省高考真题 题型：单选题

    Over the past decades, sea ice _____ in the Arctic as a result of global warming.

    [     ]

    A. had decreased
    B. decreased
    C. has been decreasing
    D. is decreasing

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    科目： 来源：北京高考真题 题型：单选题

    Tom _____ in the library every night over the last three months.
    [     ]
    A. works
    B. worked
    C. has been working
    D. had been working

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    科目： 来源：河南省模拟题 题型：单选题

    — Here is Paul! We _____ anxiously for him since last night.
    — Maybe something happened to him.
    [     ]
    A. waited
    B. were waiting
    C. had waited
    D. have been waiting

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    科目： 来源：河南省模拟题 题型：单选题

    How tired you look! You _____ these weeks. I think you need a holiday before you burn out.
    [     ]
    A. had overworked
    B. overworked
    C. have been overworking
    D. were overworked

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    科目： 来源：黑龙江省模拟题 题型：单选题

    — Did you find the missing couple in the mountain yesterday?
    — No, but we ____ to get in touch with them ever since.
    [     ]
    A. have tried
    B. have been trying
    C. had tried
    D. had been trying

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    科目： 来源：上海高考真题 题型：单选题

    I'm sure you will do better in the test because you ____ so hard this year.
    [     ]
    A. studied
    B. had studied
    C. will study
    D. have been studying

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