when can we 和when we can 的区别,能混用吗?

when can we watch it? 英语翻译When we can face it ,we can let it go.When we can let it how can we和how we can的区别? When we write,we must write as_______as we can. —when can we discuss the picnic problem?—（）when we can ,we m we can go only when the ground_________ We can go only when the ground_____. When can we discuss the problem? when can we do that什么意思 when we heat water,we can change it into vapor. We can --- the road when we see the green man. we can not help _________(laugh)when we see him.