1. Erin ____( to cook) dinner when we___(to come) home.
2. Your dog___(to attack) me when I just___(to pass) by.
3. Who___you___(to talk) to on the phone?
4. Charlie___(to drive) home when he (to hear)the news on the radio.
5. Olivia___(to break) her leg when she___(to ski).
6. ____it____(to snow) when you____(to wake) up?
7. While Ted____(to make) tea we____(to smoking) in the garden.