Uzupełnij zdania używając czasowników podanych w nawiasach w odpowiedniej formie trzeciego okresu warunkowego.

1. If Mary .... (prepare) for the exam properly, she .... (pass) it.

2. They .... (not spend) so much money on beach cleaning last year if people .... (not throw) so much litter around.

3. If they .... (close down) all the landfill sites in the area a long time ago, the waste .... (not pollute) the ground waters.

4. Karen .... (might/have) a serious accident if she .... (not notice) the other car going through a red light.

5. If there .... (not be) such a major climate change in the last few years, the sea levels .... (not rise).

6. If you .... (recycle) waste according to the rules, you .... (not pay) a fine.

7. The fire brigade .... (could/put out) the fore much faster if someone .... (inform) them sooner.