Question

Раскройте скобки, употребляя глаголы в Past Simple или Past Continuous. They (to drink) tea when I (to come) home. He (to walk) along the river when a boat (to pass). The old man (to think) about his plan when he (to fall) asleep. We (to listen) to an interesting lecture yesterday. When I (to enter) the classroom, the teacher (to write) words on the blackboard and the pupils (to copy) them into their exercise-books. They (to get) ready to go out when it (to begin) raining. Yesterday at one o'clock I (to have) lunch at the canteen. When he (to come) in, I (to do) my exercises. What you (to do) at eight o'clock yesterday? At this time yesterday I (to go) home. You (to sleep) when I (to go) out. He (to read) on the sofa when I (to come) in and (to sit) down beside him. I (to walk) along the street with my friend when a tram (to pass). She (to look) out of the window when I (to see) her. We (to answer) the teacher's questions when the headmistress (to enter) the classroom.

Answer 1

Were drinking, came, was walking, passed, was thinking, fell, listened, entered, was writing, were copying, were getting, began, was having, came, was doing, what were you doing, was going, were sleeping, went, was reading, came, sat, was walking, passed, was looking, saw, were answering, entered. 

Answer 2

They were drinking tea when I came home. He was walking along the river when a boat passed. The old man was thinking about his plan when he fell asleep. We were listening to an interesting lecture yesterday. When I entered the classroom, the teacher was writing words on the blackboard, and the pupils were copying them into their exercise-books. They were getting ready to go out when it began raining. Yesterday at one o'clock, I had lunch at the canteen. When he came in, I was doing my exercises. What were you doing at eight o'clock yesterday? At this time yesterday, I was going home. Were you sleeping when I went out? He was reading on the sofa when I came in and sat down beside him. I was walking along the street with my friend when a tram passed. She was looking out of the window when I saw her. We were answering the teacher's questions when the headmistress entered the classroom.