=>
II/
1. Today VTV3 has three interesting films.
2. I like cartoons best on TV.
3. Nobody in the world has watched TV as often as a man in Sri Lanka.
4. If it rains, they will get wet.
5. If you are good, I will give you a bar of chocolate.
6. If you ring the bell, the servant will come.
7. If it is nice tomorrow, we will go boating up the river.
8. If my brother has enough money, he will buy a new bicycle.
9. No bridge in the world is longer than Hangzou Bay Bridge.
10. Although I don't like him, he's a good manager.

III/
1. pollution
2. serious
3. exhaust
5. Factories
6. reduce
7. Scientists
8. require

1. Yes, they do.
2. Yes, it is. Because much pollution is caused by thngs that benefit people.
3. Scientists and engineers.
4. Goverment can pass and enforce laws that require businesses and individuals to stop, or cut down on certain pollution activities.

IV/
1. have just decided
2. have seen
3. Did/see/haven't seen
4.  learned

II.
1. Today VTV3 has three interesting films.
2. I like cartoons best on TV.
3. Nobody in the world has watched TV as a man in Sri Lanka.
4. If it rains, they will get wet.
5. If you are good, I will give you a bar of chocolate.
6. If you ring the bell, the servant will come.
7. If it is nice tomorrow, we will go boating up the river.
8. If my brother has enough money, he will buy a new bicycle.
9. No bridge in the world is longer than Hangzou Bay Bridge.
10. Although I don't like him, he's a good manager.

III.
1. pollution
2. serious
3. exhaust
5. Factories
6. reduce
7. Scientists
8. require

1. Yes, they do.
2. Yes, it is. Because much pollution is caused by thngs that benefit people.
3. Scientists and engineers.
4. Goverment can pass and enforce laws that require businesses and individuals to stop, or cut down on certain pollution activities.

IV.
1. have just decided
2. have seen
3. Did/see

    haven't seen
4.  learned