2) isn*t doing
He*s playing
3)isn*t cooking
He*s cleaning
4)isn*t having
He*s cooking
F. 1) b
2. c
3. b
4. D
5. a
6. D
7. D
8. B
Children like to eat sweets
I don't like milk,I like juice
2.D
1. Last year she flew to GB
2.She was flying to GB at this time yeaterday
3. I had been flying to GB for 2 days
4. They had flown to GB
1) discuss
2) lasts
3) am reading
4) go
5) is translating