Nobody can explain the mystery he suddenly disappeared. A. whyB. whatC. whetherD. which

发布时间:2020-08-16 13:54:16

Nobody can explain the mystery      he suddenly disappeared.
A. why
B. what
C. whether
D. which

网友回答

(答案→)A. why
B. what
C. whether
D. which
解析:考查同位语从句,句意:没有人能解释这个谜,就是他为什么突然消失了。用why引导的从句解释前面的名词the mystery,所以选A。
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