Ответ:
Task 1.
1. They didn't see the film, did they?
2. My brother is a scientist, isn't he?
3. She cannot dance well, can she?
4. You don't need any help, do you?
5. My sister has a lot of toys, hasn't she?
Task 2.
1. You're coming to the party, aren't you?
2. It wasn't very difficult, was it?
3. There's some milk in the refrigerator, isn't there?
4. Last summer holidays Jack went abroad, didn't he?
5. We’ll arrange a date and time tomorrow, won't we?
Task 3.
1. It is a lovely evening, isn't it?
2. Your parents aren’t from Britain, are they?
3. You will come here again, won't you?
4. My students don’t need any help, do they?
5. She knows my family, doesn't she?
6. She will arrange the date and time of our meeting, won't she?
7. My sister went abroad last year, didn't she?
8. You study at a Local State School in Russia, don't you?
9. He didn’t get the invitation, did he?
10. My parents are going shopping, aren't they?
11. There are lots of places to visit in Moscow, aren't there?
12. London isn’t like Moscow at all, is it?
13. Liza lives not far from London, doesn't she?
14. The weather is changing, isn't it?
15. Helen can speak Spain, can't she?