I'm not sure ( )next.A.what to do B.how to do C.when to do D.why to do 选择哪个呢?原因是什么?谢

I'm not sure I'm not sure what I should do next 求这句话的同义句改为I'm not sure what __ __ next,一空一词! I'm not sure 快 I'm not sure yet. I'm not sure()( 至今) I'm sure I am not wrong 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 Terrible news!The rich man next door________(murder)last night.I'm not sure whether he________(decide)where to go. 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? Do you think it will be fine next week?I'm afraid I hope so I don't think so I'm not sure I'm not sure when I should go.同义句 I'm not sure when( )( ). He will return home next week.（I'm sure） I'm not sure yet还是I'm not sure either?如题,寻求原因 I'm not sure what's playing, I hedged. I'm not sure ( )next.A.what to do B.how to do C.when to do D.why to do 选择哪个呢?原因是什么?谢 What'sTom gong to do next sunday?I'm not sure,He____go to the country to see his uncleA,can,B,must,C,will D,may 为什么呀