-i'm sure he must be in trouble now.What should I do?- _ .he will be OK空中应该填什麽?有选项A.Congratulations B.heve a good time C.wish you good luck D.take it easy.

- 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 He be married,but I'm not sure. 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 He( )know the answer,but I am not sure.may be?must? I' m sure he must have been sleeping at the moment 的反义疑问句 it () be a red but I'm not sure 是填might 还是must -i'm sure he must be in trouble now.What should I do?- _ .he will be OK空中应该填什麽?有选项A.Congratulations B.heve a good time C.wish you good luck D.take it easy. be so sure he must be Mr.Zhang 改为否定句be so sure he must be Mr.Zhang I'm sure he must ( )behind that tree.0 - 离问题结束还有 14 天 23 小时 I'm sure he must ( )behind that tree.0 - 解决时间：2009-9-13 23:02 A be hidden B be hidding C have hidden D have been hiding 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. I'm not sure.It__uncle Li's.A.may B.maybe C.may be D.must be Jay__know the answer,but I'm not sure.A.maybe B.Jay__know the answer,but I'm not sure.A.maybe B.may be C.may D.must i am sure he---- (be) happy soon 英语难题!求解! ：“Will your father stay home tonight ? I'm not sure ,He ()to work.A.must go B.can go C.may be gone D.may be going 请具体分析下 You must be mistaken about seeing Tim in the supermarket.I'm sure he —— abroad all week.A.will be B.was C.has been D.had been I'm sure he able to finish this I'm sure he ( ).able to finish this job.A.be B.is C.are D.can请问选哪个