He isn't in the school ,I think he ___ be ill .A.need B.shall C.must D.havt to ,为什么?

he isn't in at the moment的同义句 he isn’t in.he is He is the tallest student in our school,________?A.is he B.isn’t it C.isn’t he D.doesn’t he He isn't in the school .I think he __be ill.A.can B.must为什么? Isn't Dick sitting in the front of the classroom?___He's the shortest in his class.A.Yes,he is.B.No,he isn'tC.Yes,he isn't D.No,he is. John isn't in the classroom,he ()play soccer on the playground.A.canB.must He must be in the classroom ,___he?A mustn't B needn't C hasn't D isn't you can play with him.he isn't in the same class中文什么意思 He isn't in the school .I think he_____be ill.A.must.B.can C.could Mr Black isn't here now .He is at a m in the next meeting room Bill isn't here.He ______(chat)with his friends in the classroom.怎么填?为什么? He's worked there since the shop opened in 1998,hasn't he 为什么是“hasn't he”而不是“isn't he? there isn't any lemonade in the I think he must be in the office now,______?A.don’t I B.mustn’t he C.isn’t he D.can’t hethe reason,please! he isn't in=he isn't at home吗? He isn't in the classroom .Maybe he is in the library,译为同义句,急急急急急急.He isn't in the classroom,Maybe he is in the library。这个是一句话,He isn't in the classroom不 用翻译,卷子已经写出来了,只需翻译后半句,H He may be in the classroom,isn't he 这句子对吗?不对怎么改,改成must be Our English teacher isn’t in his office.He giving a lesson in the ciassroom的意思