1. WHEN were you shown the laboratory of organic chemistry?
2. BY WHOM is the new sort of steel being tested?.
3. WHAT have the experiments shown to us?
4. HOW can the flame of the burner be regulated?.
5. WHAT did they heat by means of a Bunsen burner?
6. WHAT does the new lab consist OF?
7. WHAT is every working place fitted with?
8. WHERE must the analytical balance be kept?
9. WHAT will you see if you visit this laboratory?
10. WHEN had all the questions been answered?
11. WHAT does a barometer measure?
Объяснение:
1. At this time yesterday I was sitting at the theatre.
2. He came back to St. Petersburg on the 15th of January.
3. I was going to the institute when I saw him.
4. At this time yesterday we were having dinner.
5. He was writing a letter when I came in.
6. He was making a report when I left the meeting.
7. Yesterday he wrote a letter to his friend.
8. When I was looking at them, they were smiling at me.
9. What were you doing at six o'clock yesterday?
10. I went to bed at half past eleven.
11. Yesterday the lesson began at nine o'clock.
12. The cat took a piece of fish and then ran away.
13. He was reading a newspaper when I came in.
14. Yesterday I got up at seven o'clock.
15. The train was starting at fifteen minutes to ten.
16. He put on his coat and cap, opened the door and went out.
Упр. 195. Раскройте скобки, употребляя глаголы в Past Simple или Past Continuous.
1. I fed my cat with fish yesterday.
2. What were you doing at four o'clock yesterday? I was feeding my cat.
3. What did your brother do yesterday? He played computer games.
4. I was beginning repairing my camera at six o'clock yesterday.
5. At five o'clock yesterday Helen was cooking soup.
6. We were playing badminton from nine till eleven yesterday.
7. Kate didn't go for a walk yesterday. She was writing a composition the whole day yesterday.
8. When did your father come home yesterday? He came home at seven o'clock.
9. When my father came home yesterday, my mother was making supper.
10. We didn't go on a tramp last summer.
11. What were you doing when your sister came home yesterday?
12. Were you having supper at nine o'clock yesterday?
13. He didn't go to the shop yesterday
14. Nick went to bed at ten o'clock yesterday.
15. Rick was sleeping at eleven o'clock yesterday.
16. When we were playing in the yard yesterday, it suddenly started raining heavily.
17. I saw Mike when he was crossing the street.
18. He began repairing his bicycle in the morning yesterday.
19. He was repairing his bicycle the whole day yesterday.
20. He finished repairing his bicycle in the evening yesterday.
1)c
3)e
4)d
Я надіюсь так :l