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    -- Why didn’t you stop the ball?-- I could catch it, a boy from Class Three suddenly appeared and caught it. A. Until B. When C. After D. Before 【查看更多】

     

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    -- Why didn’t you stop the ball?

    -- ________ I could catch it, a boy from Class Three suddenly appeared and caught it.

    A. Until         B. When          C. After          D. Before

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    —Why didn’t you stop the ball?

    —________ I could catch it, a boy from Class Three suddenly appeared and caught it.

    　　A. Until

    　　B. When

    　　C. After

    　　D. Before

    查看答案和解析>>


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