I am not sure( )he will come or not

I am not sure( )he will come or not I am not sure _____ he will come here o I am not sure --he will come back . i am not sure-----her sister will come here or stay at home I am not sure wether he will come back soon?whether引导的是什么从句? i am not sure if he-(will)--come 为什么要加will啊?不是主将从现 四道英语选择,1.____ whether he will come or not.【D】A.I’m sure B.I’ OK .I am sure he will come i am not sure if you will take my apologing or not I am not sure whether my life will be better or not. l am not quite sure about it.Maybe he will come,and maybe he 【初三英语问题】will lucy come tomorrow or will she not come i am wo