I. Choose the best answer (A, B, C or D).
1. Many plants and endangered species are now endangering of _______.
2. _______ is destroying larger areas of tropical rain forests.
3. A lot of different conservation efforts have been made to ________ endangered species.
4. The raw sewage needs to be ________ treated.
5. There are more than 20 ________ working on the water treatment project.
6. More and more people __________ of food poisoning nowadays.
7. The government _________ the flood victims with food, clothes and money.
8. Many people _________ that natural resources will never be used up.
9. Conservation is the protection of the _________ environment.
10. There are many ________ of pollution in our modern world.
11. You ________ ask a woman about her age. It’s not polite.
12. Pay attention ________ all traffic signs when you are travelling in the street.
13. Their plans were cancelled _______ of a bad storm.
14. I’ll lend you the money and you ________ pay me back till next month.
15. You should change your wet shoes, ________ you’ll catch cold.
16. The twins used to play rugby when they were four year old, ________ ?
17. You would rather _________ talking in class so as not to make your teacher angry.
18. I’ve got __________ money to lend you now. I think you can ask Lyn for some.
19. Tell her that she ________ be here by six. I insist on it.
20. He hurried _________ he wouldn’t be late for class.
21. There should be no discrimination _______ grounds of sex race or religion.
22. He has refused, but he _________ change his mind if you asked him again.
23. Two parallel white lines in the middle road meant that you _________ not overtake.
24. There’s _______ university in my neighborhood.
25. There's _______ university in my neighborhood.
26. Two parallel white lines in the middle road meant that you _________ not overtake.
27. He has refused, but he _________ change his mind if you asked him again.
28. There should be no discrimination _______ grounds of sex race or religion
29. He hurried _________ he wouldn't be late for class.
30. Tell her that she ________ be here by six. I insist on it.
