11. He (not eat)…………. until his parents (come)…………………………. home. 12. She (tell)……………. she never (meet)…………………………. him. 13. He (do)…………. her homework before he ( go)……………. out. 14. The lights (go)…………. out the moment he (get)…………. into the cinema. 15. Hardly the holiday (begin)……………. when they (leave)………………. the town. 16. They (be)…………. out for an hour when it (start)…………………………. to rain. 17. They (leave)……. the shop as soon as they (buy)………. everything they (need)……… 18. The house (burn)……………. to the ground buy the time the firemen (arrive)………… 19. As he (do)………………. a lot of work that day he (be)……………. very tired. 20. I already (hear)……………. about the accident when he (tell)………………. me about it.