1. If there are a few firms in an industry, the change in the behaviour of one firm can influence other firms. 2. Can developing countries enter the European Union? -No, they can't. 3. The firm may increase its profits by means of new materials or technologies. 4. Any crisis in the economy of the USA can seriously influence the economies of other nations. 5. Any country must follow some rules in international trade. 6. Can Russia supply its population with necessary amounts of gas and petrol?- Yes, it can. 7.British farmers could not ensure the required quality of meat when there was an infection among animals a few years ago. 8.You must have a special licence to import or export exotic animals.
4. Any crisis in the economy of the USA can seriously influence the economies of other nations. 5. Any country must follow some rules in international trade. 6. Can Russia supply its population with necessary amounts of gas and petrol?- Yes, it can. 7.British farmers could not ensure the required quality of meat when there was an infection among animals a few years ago. 8.You must have a special licence to import or export exotic animals.
1. You weren’t present yesterday, were you?
2. Victor can speak Spanish, can't he?
3. She is your niece, isn't she?
4. You don’t agree with me, do you?
5. I am not mistaken, am I?
6. Let’s discuss the problem together, shall we?
7. They’ve got a lot of work to do, haven't they?
8. Everybody is O.K., aren't they?
9. Mary didn’t keep her promise, did she?
10. Don’t be angry, will you?
11. We aren’t alone, are we?
12. George and Kate never quarrel, do they?
13. They understand that it’s important, don't they?
14. I’m clever, aren't I?
15. Robert can’t speak Spanish, can he?
16. Speak louder, can you/will you?
17. This girl doesn’t have many friends, does she?
18. Everybody thinks so, don't they?
19. We have some more time, don't we?
20. Tim wasn’t in town at the weekend, was he?
21. You are my best friend, aren't you?
22. I always come in time, don't I?
23. She has a good job, doesn't she?
24. Be quick, will you/could you?