【题目】根据中文提示完成句子。
1. Lisa is sitting ________(在……旁边)Sarah.
2. Jack is standing ________(在……中间)the man and the girl.
3. The squirrel is ________(在……里面)the box.
4. There is a car ________(在……前面)the bus.
5. My car is ________(在……下面)the tree.
6. My father is working ________(在……后面)the house.