题目内容
His plan _____ to be a perfect one.
A.proved B.was proved C.is proving D.proving
A
解析:
prove为系动词,意思是“被证明是”,其后跟“(to be) +形容词﹑名词等”作表语。
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题目内容
His plan _____ to be a perfect one.
A.proved B.was proved C.is proving D.proving
A
prove为系动词,意思是“被证明是”,其后跟“(to be) +形容词﹑名词等”作表语。