Past Simple\ Past Continuous.1.They (to drink) tea when I (to come)

Past Simple\ Past Continuous.1.They (to drink) tea when I (to come) home.2. He (to walk) along the river when a boat (to pass).3. The old man (to think) about his plan when he (to fall) asleep.4. We (to listen) to an interesting lecture yesterday.5. When I (to enter) the classroom, the teacher (to write) words on the blackboard adn the pupils (to copy) them into their exercise - books.6. They (to get) ready to go out when it (to begin) raining.7. Yesterday at one o39;clock I (to have) lunch at the canteen.8. When he (to come) in, I (to do) my exercises.9. What you (to do) at eight o39;clock yesterday?10. At this time yesterday I (to go) home.