题目内容
Her advice _____.
A. proved useful B. was proved useful
C. proved usefully D. proves usefully
A
prove 连系动词,意为"结果是,证明是",后面跟形容词。
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题目内容
Her advice _____.
A. proved useful B. was proved useful
C. proved usefully D. proves usefully
A
prove 连系动词,意为"结果是,证明是",后面跟形容词。