тому 15 или 201. 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 and 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 o'clock i (to have) lunch at the canteen.
2was walking.passed
3was thinking.fell
4listened
5entered.was writing.were copying
6were getting.began
7was having