Упр 1
1. Strongest
2. him
3. most powerful
4. were arguing
5. saw
6. walking
7. said
8. began
9. colder
10. was
11. was becoming
12. hotter
13. hotter
14. took
15. won
Упр. 2
1. What language do you learn?
2. What did your mum buy you?
Упр. 3
1. He didn't help his uncle last Friday
2. Sarah won't go to New York next week
Упр.4
1. bought
2. goes
3. will help
4. will take
5. was