nineteen eighty................................
Если это просто слово cat или dog-ставится артикль "a",а если они в предложении,то зависит от того что вы излагаете в нём.
1.this is, that is
2.that is, these are
3.this is, those are
<span>16. I can’t help wondering whether our planet will ever recover from all the damage it suffered.
21. People should use eco-friendly cleaning products, which are safer for the environment.
17. Neighbouring countries promised to send supplies and rescue workers to the areas that were hot by the hurricane.
22. Volunteers from the area are spending this weekend cleaning up the local beach.
18. If you want to help the earthquake victims, you can to donate clothes and money at the local shelter.
23. Brian was looking forward to starting his new job at the animal shelter.
19. Judy didn’t let her children go underwater diving.
24. Dan avoids buying anything that cannot be recycled later.
20. Frank has decided to join an environmental organization.
25. I’ll never forget taking in a rescue mission for the first time.
D.
26. Julia got used to living in such a hot country only after she had been there for a few months.
29. Sheila used to drive to work, but now she takes the bus.
27. I don’t think Ian is used to being around animals; he’s never even had a pet.
30.Tammy isn’t too comfortable with the idea of car-pooling yet, but I’m sure she will get used to sharing a car with other people.
28. Mr Roberts is a primary school teacher, so he is used to working with young children.
E.
31. People are becoming more and more concerned about the protection of the natural environment.
32. The disappearance of the forests and natural habitats has resulted in the endangerment of more species.
33. The first performance of the opera was in 1936.
34. Many people enjoy the pleasures and convenience of living in a convenient citycentre.
35. The wedding invitation went out yesterday.
F.
36.b 37.a 38 b 39 b 40. a </span>
1) Could she repair this television?
-No, she couldn't.
2) Are they laying on our sofa?
-No, they aren't.
3)Does Ann prepares some project for her English lessons?
-Yes, she does.
4)Do you think that Mr.Brown is fond of fish?
-Yes, he is.
5)How many rooms are in that flat?
-There are ... rooms.
6)Did you loose your clock?
-No, I didn't.
7)Can we repair a chair?
-Yes, we can.
8)Do you usually go shopping with your friends?
-Yes, I am.
