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 oclock 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 oclock yesterday?
10. At this time yesterday I (to go) home.

1.drunk..when i was coming
2. walked...was passing
3. thought...was falling
4. listened
5. entered... was writing....were copying 
6. got...began
7.was having
8.came...was doing
9.were you doing
10.was going

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