I walked out of the room.
The pen is beside the book.
I walked into the school.
This is the shcool building.
5.他们正在沿着河走6.我的朋友正在游过小河7.我的爸爸正在看着那张照片吗?是的,他是。
5.They are walking along the river.
6.My friend is swimming over the river.
7.Is my father looking at that picture now? Yes, he is.