I'm not sure when the train will arrive,I'm afraid.It___be late.A.shall B.will C.may

I'm not sure when I should go.同义句 I'm not sure when( )( ). I'm not sure I'm not sure 快 I'm not sure yet. I'm not sure()( 至今) I'm not sure when I first fell in love with you . I'm sure I am not wrong Can you tell me when America______(discover)?in 1492?I'm not sure理由 i'm not sure when to go tomorrow.是表语从句还是宾语从句? I'm not sure when the train will arrive,I'm afraid.It___be late.A.shall B.will C.may 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 he will come.等于I（ ）（ ）when he will come.还有，I have no money.等于I（ ）have （ ）money. I am not sure when I should go.(同义句)I am not sure when ____ ____ I'm not sure yet还是I'm not sure either?如题,寻求原因 -When will you___Shanghai?--I'm not sure.When I___,I will let you knowA.get,arrive B.get to,arrive C.arrive in get D.arrive,arrive I'm not sure what's playing, I hedged.