2. am heating up 3. are not helping 4. are you making 5. am working, am not eating 6. are growing 8. Does 9. The Spanish and Italians cook more than the British. 10. Over 60 million people live in the UK. 11. He does not work on Fridays. 12. I don't think so.
a. 2,4,5 b. 3 c. 1, 6 d. 7, 11 e. 9, 10 f. 8, 12