为什么选b请逐个选项分析,At last he()finish the work ahead of time.A.could B.was able to C.could have done D.would have been able to

为什么选A请逐个选项分析,John,look at the time.()you play the piano at such a last hour?A.must B.can C.may D.need 为什么选b请逐个选项分析,At last he()finish the work ahead of time.A.could B.was able to C.could have done D.would have been able to 为什么选c请逐个选项分析,She()last night,but Ididn't see her.A.can have arrived B.must arrive C.might have arrived D.may arrive 为什么选d请逐个选项分析,-()John come here tonight?-I am not sure,but he()stay at homeA.may;might B.can;must C.must;might D.can;might 请逐个解答各选项 为什么选abd 这道题为什么选A啊 其他选项为什么正确啊 请逐个帮我分析下 如图,请逐个分析,为什么选D? 为什么选A请逐个选项分析,Alice said she was really busy this week,but I think she()show up at the party if she doesn't have to work overtime on Freday.A.might B.would C.must D.shall 为什么选b请逐个选项分析,Tom,you()leave all your clothes on the floor like this!A.wouldn't B.mustn't C.needn't D.may not 为什么选C请逐个选项分析,Listen!His family must be quarrelling,()?A.mustn't it B.isn't it C.aren't it D.needn't they 英语问题.为什么选d请逐个选项分析,谢谢.He()have come here yesterday,()he?A.mustn't'did B.douldn't;has C.mustn't;haven't D.would have been able to 第四题 请逐个分析 He is working hard and wants to_____.A.become writer B.turn an writer C.turn writer D.be writer为什么选C.请逐个分析. who’s the second student （）a talk in class?A、gives B、to give C、givingD、give选择哪个请大家帮我逐个分析下选与不选的原因,四个选项都不是很理解 12题...请逐个选项解释 请逐个帮我分析下 单项选择：We spent the______days at the seaside,fishing and swimming.选项：A.few last sunny B.last few sunny C.few sunny last D.last sunny few请问选哪个?为什么? A,9：D,请告诉我为什么,逐个分析为什么其他选项错了,特别是9题第2项8题第1项,8.如图所示,两个倾角相同的滑杆上分别套A、B两个圆环,两个圆环上分别用细线悬吊着两个物体C、D,当它们都沿滑