Bob is waiting us in the classroom 哪里有错?

Bob is waiting us in the classroom 哪里有错? bob is wating us in the classroom 改错 What is there in the classroom?这句话有错吗? Bob is waiting outside.the come in,Mr.Yang?----Yes.invite hi Is there some apple juice in the glass?哪里有错 Who is the most healthy in your family?哪里有错 The students were waiting for their teacher in the classroom I find Bob in the classroom 对划线部分（in the classroom）提问 she is in the classroom Who is in the classroom The bag is five yuan.哪里有错? the teacher told us not to (t ) in the classroom