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    His plan ＿＿＿＿＿ to be a perfect one. A.proved B.was proved C.is proving D.proving 【查看更多】

     

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     His plan ＿＿＿＿＿ to be a perfect one.

    A.proved     B.was proved  C.is proving     D.proving

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    His plan ＿＿＿＿＿ to be a perfect one.

    A.proved     B.was proved  C.is proving     D.proving

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