The new method Mr.Wang has been devoted to _____ effective.A.is provedB.to prove
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The new method Mr.Wang has been devoted to _____ effective.A.is proved | B.to prove | C.being proved | D.proves |
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答案
D |
解析
考查系动词用法和句子结构。在本句中定语从句Mr.Wang has been devoted to修饰先行词the new method,横线上所填部分是谓语部分,prove effective构成系表结构。因主语是单数,故使用proves.故D正确。 |
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