5. complete the sentences below with the con
e the sentences below with the correct article if necessary.
- earth is planet.
planets.
2. planets go around suns, and moons go around
3. - ocean is big and sky is blue.
4. look at sky and moon.
5. climate change threatens _ earth.
6. there is at least - sun in every galaxy.
7. i like sun, but i don't like rain.
8. is internet connection good?
9. the most popular internet service is e-mail.
10. internet began in the united states in 1969 as a military experiment.
2) The parents were allowed to take the boy home because..he had recovered completely and it was not necessary for him to stay in hospital any longer.
3) Adrian Thrasher believed gene therapy could work because..it had proved to be effective so far.
4) Doctors are careful not to be too optimistic about the operations because the patient has got a cardiac decompensation.
5) Doctors should be able to cure more illnesses in the future because..medicine has advanced greatly and keeps making progress.
1. Economics (is) his favourite subject.
2. The trousers he bought for her (don’t) fit her.
3. The police (want) to interview men about the robbery.
4. Physics (was) my best subject at school.
5. Can I borrow your scissors? Mine (aren’t) sharp enough.
6. The news (wasn’t) as bad as we expected.
7. Where (does) your family live?
8. Four days (isn’t) long enough for a good holiday.
9. He can’t find his binoculars. Do you know where (they are)?
10. Do you think the people (are) happy with the government?
11. (Do) the police know how the accident happened?
12. She doesn’t like hot weather. Twenty-eight degrees (is) too
warm for her.
13. The staff at school (are) not happy with their new working
conditions.
14. Thirty thousand pounds (was) stolen in the robbery.
15. Two years (is) a long time to be without job.
16. Five miles (is) a long way to walk every day.
17. I need more money. Six pounds (is) not enough.
18. These species (are) very rare.
19. My hair (is) dark brown.
20. His watch (needs) repairing.