I'm not sure ______ it's a good idea or not.A.whether B.that C.how D.if

I'm not sure what to expect(同义句）I'm not sure ______ ______ _____ ______ I'm not sure I'm not sure 快 I'm not sure yet. I'm not sure()( 至今) Jim is ______(或许）in his room,I'm not sure. Look,it's sunny today.______(not rain),I'm sure. i'm not sure ______ he is speaking at the meetingA that B who Cwhether Dwhat I'm sure I am not wrong I'm not sure ______ it's a good idea or not.A.whether B.that C.how D.if 有没有I’m not too sure? NOW, I'm not sure 什么意思 为什么没有I’m not too sure? I'm not sure when I should go.同义句 I'm not sure when( )( ). I'm not sure yet还是I'm not sure either?如题,寻求原因 I’m not sure about the news.It ______ or ______ not be true.这两个空分别填什么情态动词? i'm not sure whether he has ______ to do with it.A.anything B.something C.nothing I'm not sure of that .He is going to Shanghai(将两句话合并成一句话）I'm not sure _____ he is going to Shanghai ______ _______ .