Объедини правильный вариант.

1. b) is using; 2. b) belong; 3. c) are you doing; 4. b) do you do; 5. b) am flying; 6. c) bought; 7. b) will fly; 8. b) fly; 9. c) am flying; 10. b) have you got; 11. a) many; 12. b) much.