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where can he be he _______( may ,must ) be in the school library.选什么? he goes ro the boy and says in his ear He must be in the room,___ he? 如何做?为什么? where is John,Tom?he ___(must be,can be )in the library he must be in the office.be换成is 可以么 Where is Tony?He ____ in the library.A.are B.be C.must be 半助动词 be bound to He must be in the office.=He is bound to be in the office .为什么?能用be sure to 高中反义疑问句He must go now,_____?He must be in the hospital,___?He must have been in the hospital.____?He must have gone to the hospital last night,_____?He must have been in the hospital last night,______?He must have gone to the hospital,_ He may be in the classroom,isn't he 这句子对吗?不对怎么改,改成must be He must be in the room.改成反意疑问句怎么改? The light in his room is on now ,so he ______at homemust be 还是must stay? I think he must be in the office now,______?反意疑问句应该是什么? I think he must be in the office now,______?反意疑问句应该是什么?为什么 Tom thought there must be someone ____(come) in the classroom after he left.填什么? He must be in the building because he was seen()the building just now. A.enter B.to enteC.enteringD The dentist thought he must be very.The dentist thought he must be very ill. We must be quiet in the library. These animals must be left in the