都错误,正确该是：
Plan A has proved to be a failure.
另,prove 不用于被动语态,如：
The rumor proved true.
这谣传结果是真的.
用prove造句 例如：Jane,talented actress Jane proved(to be)a talent
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相关问题
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Jane is a girl of many __(talent)
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用prove to be词组造句
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His plan ＿＿＿＿＿ to be a perfect one. A．proved B．was proved C．
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he proved to be a good player.proved to 是一个词组么?还是PROVE是VI,要加
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The plan __ to be a good one.A.proved B.was proved 哪个对?
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The search proved difficult和The search proved to be difficul
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用“It can be easily proved that” 和 “trust” 造句.
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prove的问题prove怎么用可以用be proved that吗?是没有被动语态吗?
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plan A have proved to be a failure.
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用the most talented dancers造句