Два упражнения.
Exercise 5. Fill in the gaps with the verbs in the Future Simple.
1. The climate (to change) if we pollute the air.
2. We (to cut down) more forests if we don’t recycle paper.
3. people (to leave)the glass bottles in the forest? 4. Hunters (to disturb)animals.
5. Industrial enterprises (not / to pollute)water.
6. children ( to feed) birds ?
7. we (to continue) to damaged nature?
8. Why people (to cut down)trees?
9. If we have more cars, they (to spoil) the air.
10.If we don’t recycle litter, our planet (to become) a big junkyard.

Exercise 6. Fill in the gaps with the right form of the verb using Conditional I.
1. If we (not to throw) away litter, it (help) to reduce pollution.
2. If boys and girls ( to collect) paper, cans, carton, it (to
help) to reuse the amount of rubbish.
3. If people (to reduce) the consumption of electricity and water, it
(to help) to economize them.
4. If children (not to put) litter in a bin, it (to spoil) the
environment.
5. If we (to organize) environment groups and organizations, they
(to help) not to destroy wildlife.
6. If she (to raise) money to save animal, she (to help) to
care them.
7. My friend (not to leave) the fire in the forest, it (to
help) him not to spoil forest.