A i'm not sure .is there something wrong B no,___________ 横线上填什么

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 tony isn't a chinese,and n_____ is john(填空)jenny has p_____ told her mother the truth,but i'm not sure -Which do you like?-_____.Either is OK.A.I don't think so.B.I really don't care.C.I'm not sure.D.I don't agree. A i'm not sure .is there something wrong B no,___________ 横线上填什么 This sure is light,because I'm not that strong! I'm not sure 快 I'm not sure yet. I'm not sure()( 至今) Is Mr wang in the office now?No,I'm sure he___be there.I saw him driving a car in the street just nowA.mustn't B.can't C.may not D.needn't Does he need a haircut?He is not sure.变复合句 He will come tomorrow .I'm sure.He is notsure---to---a haircut.He is---to---tomorrow. I'm sorry.I'm late today._______ be late next time.A.Be sure to notB.Be sure that you notC.Be sure not toD.Be sure that you didn't Helen might fail in the exam.She is quite down.--Oh,________ ,she always works hard.A.I don't think so C.I don't hope so D.I'm not sure -Can I go out to play now? -______________A.Certainly not! B.I'm afraid not C.Sure not D.Perhaps you can't.选A对吗? ) 1.I’m ______ whether robots will make humans lose their jobs.A.sure B.think C.not sure D.sure of ( ) 2.My teacher is ill.Miss Li ______ her.A.take the place of B.takes the place of C.took place of D.instead of ( ) 3.—Are you sure you will win t ) 1.I’m ______ whether robots will make humans lose their jobs.A.sure B.think C.not sure D.sure of ( ) 2.My teacher is ill.Miss Li ______ her.A.take the place of B.takes the place of C.took place of D.instead of ( ) 3.—Are you sure you will win t He ____have been busy.I'm not sure.A.may B.must C.mustn't D.need What's after the play?-选项A Is it very interesting?B I don't mind watching this play.C That's all right.D I'm not sure.May be it's a football match.