12. While we (look) at a shop window, a car (crash) into a street lamp.
13. The police (arrive) immediately and an ambulance
(take) the driver to hospital.
14.We (finish) our lessons when the bell (ring)
15. I was happy because I (do) well in the test.
16. His T-shirt was filthy because he (wear) it for three days
17. My father (peel) the potatoes while my mother
(prepare) the sauce
18 Last year we (stay) in a charming hotel.
19. Last year I (stay) in a hotel when I (got) a
letter from her
20. He (drive) for an hour when he realized that he
(leave) his papers at home.
21. What you (do) when they arrived?
22. How long you (study) English before you
(go)to England?
23. When and where you (find) this watch?
24. He (come) into the room, (switch) on TV and
(sit) on the sofa.