Odpowiedź:
1/
1. have to
2. are not allowed
3. is it necessary
4. I won't
5. is forbidden to
6. is not going
2/
1. going to see
2. will stay
3. will check
4. won't buy
5. will probably get
6. we are
3/
1. gases - fumes
2. legal - illegal
3. water - floods
4. risky - endangered
5. up - away
6. out - up
4/
1. you can see
2. can live
3. will probably not
4. will drop
5. can stop
6. must fly
7. may harm
8. we mustn't pollute
9. have to recycle rubbish
5/
1. E
2. F
3. C
4. D
5. A
6. B