She must be in her room,________?改成反意疑问句．并解释一下这样改的原因．并且解释一下什么时候用must's she来做,

）She must be in her room ,___?（）She must be in her room ,___?A.isn’t she B.is sheC.mustn’t sheD.needn’t she She must be in her room,________?改成反意疑问句．并解释一下这样改的原因．并且解释一下什么时候用must's she来做, she r ( )her sister in looks “She must be in the dormitory now.” “No,she () be there.I saw her in the classroom a minute ag“She must be in the dormitory now.” “No,she be there.I saw her in the classroom a minute age.A.mustn’t B.couldn’t C.can’t D.wouldn’t为 Mary was not in her bedroom yesterday afternoon.She ______ in her classroom.A:should have been B:must have been C:must be D:should be 选哪个 为什么 Mary ___on her new priject late last night ,so she felt sleeply in the office this morninga.must work b.must have been working c.must be working d.must have been worked选什么. our must in her be teacher office连词成句快一些 She must be in the room.的意思 she must be dressed in red dressed 是形容词吗 The light is out in her room.she to bed A.must have gone B.had gone C.must be going D.must go答案是选A的,为什么,我不懂.这个是考 have gone to的用法? 这道题是个改错题,但不知道哪儿错了.Have you noticed her coat is wet?She must be caught in the rain. _____from her way of dressing,she must be from a minority in Southern China.A:JudgedB:JudgingC:Being judgedD:Judges选哪个?为什么? she (r ) with her dog in the park(填空) 一道关于情态动词的英语题： -Where is Mary? -She _ in her classroom.-Where is Mary? -She _ in her classroom.A. must be B. should be C. can be D. must have been答案是A.我想知道B为什么不对. She wants her to be beautiful,so she often looks in her mirror(改错） She will be much________(happy)in her new house. The woman over there______ be our English teacher.She is so serious.No,it______be her.The woman over there______ be our English teacher.She is so serious.No,it______be her.She is having a meeting in the office now.A.can; mustn't B.must;mustn't C.must You must be stricter with her,because she is ( ).填什么?空位的首字母是n