Both his parents look sad．Maybe they ________ what's happened to him． A.knewB.haveknownC.mustknowD.willknow... A. knewB. have knownC. must knowD. will know 展开 我来答 可选中1个或多个下面的关键词，搜索相关资料。也可直接点“搜索资料”搜索整个问题。 both look sad.maybe what 搜索资料 1个回答 #热议# 生活中有哪些实用的心理学知识？ zyb_ymm 2013-09-02 · TA获得超过1.9万个赞 知道小有建树答主 回答量：1.2万 采纳率：100% 帮助的人：705万 我也去答题访问个人页 关注 展开全部 答案B从题意分析，本题的前一个句子应说明一个结果，后一个句子则说明一个原因．这个原因所表示的动作目前为止已经发生．故本题应用现在完成时，答案选B． 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 2022-11-06 几道英语题1.His parents are_____(worry)about his study.2.He spoke？ 2014-01-02 Both his parents look sad．Maybe they ________ what's happened to him． 4 2017-10-04 His parents wouldn’t let him marry anyone ______family was poor. 17 2016-05-20 Have you heard that he, as well as his parents, ______ visited the Summer Palace? —Really?... 2012-08-27 1.His___(eat)habits are pretty good 2.She tried___(find)the lost purse,but she failed 2013-02-21 Both his parents look sad ,Maybe they ___what is happened to him ,A Knew B have known 23 2019-03-03 He asked his father ________? A．where it happens B．where did it happen C．how... 2015-01-11 Though his parents agreed_____ his views, they didn’t_______ him to go there alone. A．to; ag. 为你推荐：
