when and why he came here _____ yet. A.is not known B.are not known C.has not known 我来答 1个回答 #热议# 什么是淋病？哪些行为会感染淋病？ 远景教育17 2022-09-05 · TA获得超过5191个赞 知道小有建树答主 回答量：241 采纳率：0% 帮助的人：81.3万 我也去答题访问个人页 关注 展开全部 When and why he came here 作为一个整体, 谓语动词用单数形式.. 句意:他何时和为何来这的原因还未知.!' 选AAAAAAAA. 已赞过 已踩过< 你对这个回答的评价是？ 评论 收起 推荐律师服务： 若未解决您的问题，请您详细描述您的问题，通过百度律临进行免费专业咨询 其他类似问题 2022-06-19 I didn't know when they ____ again. A.came B.were coming C.had come D.had been coming 2012-08-09 三，选择题 1.I do not know ( )he will be back home. A,who B what C when Dwhere 3 2011-07-01 i heard ----was very clever a.son of mrs green b.this son of mrs green's 1 2016-02-25 ______ he was at home, I would have phoned him then. A．Had I known B．I had known C．Would I 2019-01-29 —Could you tell me _____?—Sorry, I don’t know. A．where are my socks B．where can I find my 4 2016-08-19 When and why he came here ________ yet.选什么 16 2019-10-20 三，选择题 1.I do not know ( )he will be back home. A,who B what C when Dwhere 2013-09-10 It's cold here. Why ________ you ________ your coat? 为你推荐：
