帮下忙看填什么介词?

题目

帮下忙看填什么介词?
at ,in,on ,of ,next to ,under ,behind ,between
选适当的介词填入空内
1、--What's that ____the wall?--It's a picture ___a classroom.
2、We can see four windows ___the wallo ___the classroom.
3、The ball is __the bed ,and the broom is ___the door.So you can't see them.
4、Look __the picture ___my family.The boy __my parents is me.
5、There are some birds __the tree.Can you see them?

答案

1、--What's that __on__the wall? --It's a picture _in__a classroom.2、We can see four windows __on_the wall _of__the classroom.3、The ball is _under_the bed , and the broom is _behind__the door.So ...