1. I went to the cinema yesterday.
2. I was going to the cinema at four o'clock yesterday.
3. I was going to the cinema when you met me.
4. I was doing my homework the whole evening yesterday.
5. I was doing my homework when my mother came home.
6. I didn't do my homework yesterday.
7. I was doing my homework from five till eight yesterday.
8. I was doing my homework at six o'clock yesterday.
9. I didn't play the pia, oyesterday.
10. I wasn't playing the pia, oat four o'clock yesterday.
11. He wasn't sleeping when father came home, he was doing his homework.
12.
When we were in the country last summer, I went to the wood one day. In
the wood I found a little fox cub. I brought it home. I decided to tame
the cub. Every day I fed it and took care of it. I was taming it the
whole summer. Now the fox cub is quiet tame. It lives in my house.
13.
When I went to school the day before yesterday, I met Mike and Pete.
They were talking and laughing. They told me a funny story. Soon I was
laughing, too. I was still laughing when I came to school. After school I
told this story at home. My father and mother liked it very much.
1. I haven't eaten today.
2. He didn't eat yesterday.
3. Did you play piano yesterday?
4. Have you played piano today?
5. What have you prepared for today?
6. Look at this birdhouse. Mike has made it himself. He nade it last Sunday.
7. Where have you put my pen? I cannot find it.
8. Have you seen Mary today?
9. When did you see Mary? - I saw her last week.
10. Has your mother promised to take you to the theatre?
11. Look at my new dress! I've made it myself.
12. He is not at school today, he's fallen ill. - When did he fall ill? - He fell ill yesterday.
13. I've already done my homework. Now I can go for a walk.
14. I did my homework yesterday.
15. He has just come home.
16. He came home a minute ago.
17. Nick played football yesterday.
18. She has already come from school.
19. I read this book last year.
20. I've read this book this year.
21. I've never been to Washington.
22. Have you ever been to New York?
23. Have you ever seen the eruption of a volcano?
24. I've invited Linda to the party.
This building is high.That building is higher.This building is the highest.
This
1) environmental pollution is dangerous for the population because it causes various diseases.
2) Destruction of animal habitat is dangerous for all animal species.