11.   I open the windows of my truck wide, to smell the fresh clean air.

12.   I opened the window and breathed in the fresh air.

13.   I opened the window, stepped out on the ledge, and began to wash windowpanes with a rag.

14.   I went to open the window as though to hope some breeze might seduce her forth, and dropped my hand.

15.   It had the dusty smell of an apartment whose windows were rarely opened.

16.   It took me the longest time to figure out how to open the windows.

17.   It was pure chance that made me notice the writing on the top file, as I pushed open the window.

18.   Can I open the window?

19.   Jack opened the window.

20.   Jean opened the window, and heard the faint sound of the bells drifting across the Old Town.