Complete the blanks with the verbs in brackets:
1. Many wildlife habitats will be destroyed if man ........(keep) polluting the environment.
2. If we dump all sorts of chemicals into rivers, we .......(not be able to) swim in them in the future.
3. If we ........(not stop) cutting down so many trees, wel ......(endanger) our oxygen supply.
4. Soon the Earth's resources will be exhausted if the human population ...... (continue) to grow.
5. If everybody continues to use aerosols and CFCs, the hole in the ozone layer ...... (get) bigger.
6. If the sun radiation can't escape into space, Earth's temperature ..... (increase) steadily.
7. If the global temperature ......(rise), sea levels ........(rise) too.
8. We'll threaten our own existence if wel ......(not cut down) on Waste rapidly.
9. People .........(run out of) drinking water one day if they ........(not use) it more rationally.
10. If he ........(want) to help the planet, then he (have to) change his habits.
Ответы
Ответ:
1.Many widlife habitats will be destroyed, if man keeps polluting the environment.
2.If we dump all sorts of chemicals into rivers, we will not be able to swim in them in the future.
3.If we don't stop cutting down so many trees, we will be endangered our oxygen supply.
4.Soon rhe Earth's resources will be exhausted if the human population continues to grow.
5.If everybody continues to use aerosols and CFCs, the hole in the ozone layer will get bigger.
6.If the sun radiation can't escape into space, Earth's temperature will increase steadily.
7.If the global temperature rises, sea levels will rise too.
8.We'll threaten our own existence if we don't cut down on Waste rapidly.
9.People will run out of drinking water one day if they don't use it more rationally.
10.If he wants to help the planet, then he will have to change his habits.