He must be fifty,________?A.mustn't he B.can't C.must he D.mayn't he

He must be fifty,________?A.mustn't he B.can't C.must he D.mayn't he He must be a teacher,___反义疑问句应该怎么说 he must be at home 改为否定推测 he ___ ___ at home 急 He must be at home now,___ ___?反意疑问句 应该填什么 you must be fifty,___?A.mustn't you B.needn't you C.aren't you?D.needn't you为什么?不太懂 he must ( )here.《be》 He must be happy! 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 you must be ___!(kid) We must ___(be) careful. 选择填空,英语.1.i haven’t been here for years.---I don’tthink it is___.a.those long ago b.ago those long c.that long ago d.ago that long2.he looks so old.he must be at least_____.a.the fifty and the sixty b.fifty and sixty c.fifty or sixty (1/2)求答案：He is swimming.He ___ swimming for exercise.A.may be B.must (1/2)求答案：He is swimming.He ___ swimming for exercise.A.may be B.must 1.He ___ Mr.Black.He is taller.(用can't,can't be,must,must be,don't have to,1.He ___ Mr.Black.He is taller.(用can't,can't be,must,must be,don't have to,needn't其中的一个填空,请说明一下选这个词的理由)2.You can _______ the teacher 1.Laura ____(use) to smoke too much,but now she__(give) it up.2.Anyone who ___ the rules must be punished.A.breaks B.breaking C.broke D.break3.Must I ___ the lift up to the fifty-fifth floor?A.get B.take C.have D.make4.Let me ___ you about myself.A.s A pair of glasses ___(be) fifty yuan.A packet of sweets__(be) sixteen yuan. 适当形式填空What he said is not ture.He is __(lie).There must be a key in your pocket,___ ___?(完成反义疑问句)