最佳答案:There is a clock at the back of our classroom.
最佳答案:He sits at the back of the classroom as usual.有不明白的请继续追问,
最佳答案:Teacher came into the classroom, following several students.Tom saw her singing
最佳答案:where are you ?I am in the class.where are his parents?they are behind.the park
最佳答案:The desk is in front of the blackboard.Mary faces to the blackboard.I sat at the