I haven't seen you these days,where _____ you ____?该填什么?是have…been 还是 did … go为什么?

I haven't seen you these days,where _____ you ____?该填什么?是have…been 还是 did … go为什么?
I haven't seen you these days,where _____ you ____?
该填什么?
是have…been 还是 did … go
为什么?

I haven't seen you these days,where _____ you ____?该填什么?是have…been 还是 did … go为什么?
have…been
where have you been?你去哪了?

did ...go 现在已经回来了，所以用过去式

did go。。
已经回来了

have been
问的你去哪了 而现在已经回来了 用现在完成时

I haven't seen you these days，where _____ you ____?
我这些天都没见你,去了哪吖?
(意为现在见到了,问对方那些天去了哪)
因为这是一句话,所以选did … go
如果选have…been的话, 应为I haven't seen you these days.
where _____ you ____?
注意标点符号的变化.