(Not knew )what was wrong with him ANot knew BNot known CNot knowing
(Not knew )what was wrong with him
ANot knew BNot known CNot knowing DNot to know
为什么选a
人气：255 ℃ 时间：2019-11-06 18:00:09
解答
因为没有上下文,所以只可能是以前不知道但现在知道了.所以以前不知道就用过去时Not knew,而且从句是过去时,主句也要用过去时
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