I'm sure he must ( )behind that tree.A be hidden B be hidding C have hidden D have been hiding- -到底哪个队

I' m sure he must have been sleeping at the moment 的反义疑问句 用must,can't改句子I'm sure that he is a middle school teacher.I'm sure that she is not playing the piano. 用must或can't改变I'm sure that he is a middle school theaher 这个句子 He ____have been busy.I'm not sure.A.may B.must C.mustn't D.need 英语翻译I'm sure he ( )his illness - Can he arrive on time? - . But I’m not sure. A. He must be B. Maybe he can C. He may can D. He- Can he arrive on time? - . But I’m not sure. A. He must be B. Maybe he can C. He may can D. He may be说明理由 -Is Mr Smith driving here?-I'm not sure.He _____-Is Mr Smith driving here?-I'm not sure.He _____ come by subway.A.may.B.shall.C.need.D.must. 用must,can't改句子1.I'm sure that the Yellow River is not longer than the Yabftze River.2.I'm sure that he is looking for you. The light is on in his room ,I'm sure he ___back A.must be B is C may be 选什么,为什么 -Tom isn't at school today.He ____ ill at home. -I'm not sure,let me call him. A may be B must be I'm sure he must ( )behind that tree.A be hidden B be hidding C have hidden D have been hiding- -到底哪个队 ---Isn't that Ann's husband over there?---No,it___be him---I'm sure he doesn't wear glassesa:can'tb:must notc:won'td:may not 老大：哪句意思不同 A. He's sure to come B. I'm sure that he C. I'm sure of D. He's sure t哪句意思不同A. He's sure to come B. I'm sure that he will comeC. I'm sure of his coming D. He's sure that he will come i'm sure that he will win 同义句 He will return home next week.（I'm sure） I’m sure he will win the game一般疑问句 He be married,but I'm not sure. I'm not sure he can swim 改为否定句