He was seriously injured last week and that’s he didn’t participate in the competition. A

发布时间：2020-08-17 08:07:17

He was seriously injured last week and that’s      he didn’t participate in the petition.
A. when
B. how
C. why
D. what

网友回答

A. when
B. how
(答案→)C. why
D. what
解析：句意：上周他受伤严重，这就是他为什么不能参加比赛的原因。That’s why….这就是为什么。When什么时候，why为什么，what什么，都不符合句意，所以选C。
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