Question IV
1. would look
2. would join
3. would be
4. wouldn't dump
5. would happen
6. were
7. would be
8. had
9. wouldn't be
10. would grow
Question III
1. If teacher teach environmental issues at school, students will be more aware of protecting the environment.
2. If light pollution happens, animals will change their behaviour patterns.
3. If the levels of radioactive pollution decrease, we will switch from nuclear power to renewable energy sources.
4. If the water temparature increases, some aquatic creatures are unable to reproduces.
5. If the water is contaminated, people will get more diseases.
Question I
1. recycle 2. won't dump 3. will be 4. will save 5. will have 6. continues 7. will help 8. travel 9. dont waste 10. fine
Question II
1. studies 2. doesn't hurry 3. will pass 4. will be 5. gives 6. won't 7. doesn't stop 8. is
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