16. As I (cross) …………………… the street, two cars (race) …………………… by me at full speed. 17. Dorothy and I (just leave) …………… the house when the telephone (ring) …………… 18. The minute I (hear) ……………… the news, I (send) …………………… him a telegram. 19. I (go) …………………… to ask you to help me, but you (sleep) ………… so peacefully when I (look) …………… into your room that I (decide) …………… to do it alone. 20. My mother (arrive) ………………… while I (clean) ……………… the kitchen . III : Rewrite the following sentences using “Unless” 1. I won’t go to school if I don’t feel better. ……………………………………………