we have konwn each other since we were children对上面划线句子提问,划线句子是：since we were children.谢谢各位

we have konwn each other since we were children对上面划线句子提问,划线句子是：since we were children.谢谢各位
we have konwn each other since we were children
对上面划线句子提问,划线句子是：since we were children.
谢谢各位

we have konwn each other since we were children对上面划线句子提问,划线句子是：since we were children.谢谢各位
How long have you known each other?
since 是自从.以来
你们认识多久了?
方言版本,我们打小儿就认识.
普通话版本,我们从小就认识.

When have you known eachother ?

How long have we known each other.

How long have you known each other?>