改错:I don't know the boys who is under the tree.

改错:I don't know the boys who is under the tree. I don't know the name of the movie stars.改错 How long is it from the hospital to the station?I don't know.改错 改错Can't you see the words on the blackboard?No.But I don't know the answers to it. 改错 I don’t know when will they come i don't know What class is she in 改错 I don‘t know whose bike is this.怎么改错? I don't know the......the question 1sam don't know the way very well改错 改错：Because I seldom go to the cinema,so I don't know which film is on . why?but i don't know the I don't know the place.是什么意思? The problem is very hard,I don't know how to work out._____ (改错,写错的单词） I don't know. I don’t know the rule.还是I don’t know the rules. 改错:I didn't know him and I don't want . I don't(know)the teacher,but I(know about)her.可以换成know about;know? I don't(know)the teacher,but I(know about)her.可以换成know about ; know?