_____caused the accident has not yet been found.A.WhichB.WhicheverC.WhatD.Whatever
正确答案
已帮助 人
_____caused the accident has not yet been found.
A.Which
B.Whichever
C.What
D.Whatever
请帮忙给出正确答案和分析,谢谢!
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正确答案:D
名词性分句。首先,谓语动词之前多为主语从句;其次,此主语从句中所缺的成分是主语,名词性质,故排除限定词性质的A和B。what和whatever区别在于前者确定特指,后者非确定特指,比较:Whatcausedtheaccidentwasabrokenbottle.
