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    精英家教网 > 初中英语 > 题目详情
    When they visited their hometown, they saw many changes ______ in that area.

    A. were happened
    B. which was happened
    C. which had been happened
    D. which had happened
    D
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    科目：初中英语 来源：广东省竞赛题 题型：单选题

    When they visited their hometown, they saw many changes ______ in that area.
    [     ]
    A. were happened
    B. which was happened
    C. which had been happened
    D. which had happened

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