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    精英家教网 > 初中英语 > 题目详情
    选择填空。
    My father is very busy. He is still ______ work now.

    A. at
    B. on
    C. for
    D. in

    A
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    科目：初中英语 来源：同步题 题型：单选题

    选择填空。
    My father is very busy. He is still ______ work now.
    [     ]

    A. at
    B. on
    C. for
    D. in

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