Question

Task 1. Open the brackets using forms of Conditional I. 1. If people __________________ (to work together) our planet _____________________ (to be saved). 2. If air ____________________ (to be polluted) we __________________ (to breathe) toxic gases. 3. If you __________________ (to throw away) rubbish into the bin our streets _______________ (to be) cleaner. 4. We ___________________ (to save) nature if we ________________ (to recycle) used materials. 5. Iffactories ____________________ (togiveoff) toxicgasestheozonelayer __________________________ (to be destroyed). 6. There ________________ (to be) smog in cities if factories and plants ___________________ (to pollute) air. 7. If waste __________________ (to be dumped) in the oceans lots of fish, animals and plants _______________ (to die out). 8. If the global warming __________________ (to continue) the polar ice ________________ (to melt).

Answer 1

1. Work together, will be saved

2. Is polluted, will breathe

3. Throw away, will be

4. Will save, recycle

5. Give off, will be destroyed

6. Will be, pollute

7. Is dumped, will die out

8. Continues, will melt

Answer 2

Sure, here are the sentences with the brackets filled using forms of Conditional I:

1. If people work together, our planet will be saved.
2. If air is polluted, we will breathe toxic gases.
3. If you throw away rubbish into the bin, our streets will be cleaner.
4. We will save nature if we recycle used materials.
5. If factories give off toxic gases, the ozone layer will be destroyed.
6. There will be smog in cities if factories and plants pollute air.
7. If waste is dumped in the oceans, lots of fish, animals, and plants will die out.
8. If the global warming continues, the polar ice will melt.