.He can't be at school,____ A.is he B.isn't he C.can he D.can't he请帮忙解释为什么选A.

he can't be at school反义疑问句he can't be at school.反义疑问句 He can't be at home.为什么can't后要加be? He can't be at home.为什么在at前面有be?什么情况下要加Be? Today is Wednesday.He _______be at home.He ______ be at school.A.can’t,can B.can’t,must C.mustn’t,must D.mustn’t,can He can't be at school,___?A.is he B.isn't he C.can he D.can't he He can't be at school, ____ ? A.is he B. isn't he C.can he D.can't he 选哪个?为什么? .He can't be at school,____ A.is he B.isn't he C.can he D.can't he请帮忙解释为什么选A. 用适当介词、连词或副词填空The teacher is mad ____what the students did to himAre you disappointed___________your son?You can't learn anything_______soap operasHe is working _________ a homework projectHe will be a maths teacher at a scho he can't be at home与he may not be at home有什么不同?跪拜请求指点迷津. He isn't at school .I think he ( )be ill.can,shall,must,has to ,原因. He can't be at home.He went to the cinema.合并成一句话 he can't be her father,-----he? Bob must be at home,________?A.mustn't he B.can't he C.isn't he D.doesn't he 选哪一个?为什么? Today is Wednesday.He _______ be at home.He _____ be at school.A.can’t,can B.can’t,must C.mustn’t,must D.mustn’t,can he isn't at school.i think he ------be ill A.has to B.shall C.can D.have to ---Where is your brother?Is he at home?---No,he_____ be at home.He has gone to England.A.must B.mustn’t C.can’t D.may 关于He can't be at home,isn't he?此句是否为反义疑问句?请问和He isn't at home,isn't he?有什么关系?为什么?也请解释一下“can't”在此处的意思.He must be a doctor,isn't he?You must have studied English for three years, Bob can't be at school 为什么要用”be“