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    【题目】

    You'd better not ring me up between 9:00 and 10:00 tomorrow. I __________ an important meeting then.

    A. have

    B. had

    C. was having

    D. will be having

    【答案】D

    【解析】句意：你最好不要在明天9点和10点之间给我打电话。届时我将正在开一个重要的会议。between 9:00and 10:00 tomorrow是将来时间段，用将来进行时委婉表示原因。

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