题目内容
17.Every possible means ,but it seems that nothing will prevent the situation from getting worse.( )A. | has tried | B. | have tried | C. | has been tried | D. | have been tried |
分析 一切可能的方法都已经尝试过了,但似乎没有什么可以阻止这种情况变得更糟.
解答 答案C.
means"方式,方法",其单复数形式相同.means与动词try是动宾关系,也就是说means作主语时,谓语动词应该使用被动语态的形式,故排除A和B;means因为它被every修饰,所以表示的是单数意义,谓语动词用单数,可排除D.故答案选C.如果把Every改成All,此时表示的是复数意义,谓语动词用复数,可选答案D.
点评 本题考查主谓一致.用作主语的名词词组中心词和谓语动词在单、复数形式上的一致,就是语法一致.也就是说,如果名词中心词是单数,动词用单数形式;如果名词中心词是复数,动词用复数形式.
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