can,can't,must,mustn't,needn't,be allowed to,have to,don't have to的区别

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 用could,can,can't,must,mustn't need't may填空 can can't must mustn't have to don't have to的区别 must i go to the doctor's?No yuoneedn't ,mustn't ,can't ,must 存在can be/must be ,can’t be 而没有mustn't be We______smoke in the Forbidden City.A.can B.must C.can' D.mustn't may.must.mustn't的意思may,must,mustn't,need,needn't,can,can't的意思是什么?之间有什么区别? can,can't,must,mustn't,needn't,be allowed to,have to,don't have to的区别 can和must的区别?------(Can;Must) I put my badminton racket on the bed?—No,you mustn't. may can must need的区别及may not ,can't,mustn't,needn't的区别? 为什么must be的否定式是can't be而不是mustn't be 选择：___we take the reference books home from the reading room?No,you___A.Can;needn't.B.May;mustn't.C.May;can't.D.Must;mustn't He must be fifty,________?A.mustn't he B.can't C.must he D.mayn't he oughtn't, mustn't, can't区别 两道英语填空题,用can,can’t,may,may not,must,mustn’t填空.（有些两道英语填空题,用can,can’t,may,may not,must,mustn’t填空.（有些答案不止一个）求原因 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 急 _____l swim here?i'!m sorry,children _____swim alone here,A,Must can't B,Can,mustn't C,May,must D,must,shouldn't 英国文化习俗!急用!要用英语写的!最好用上 must mustn't can can't!