1.If I were rich,I...(buy) this expensive car.
2.If...(go) to the museum, you would have seen this picture.
3.If he...(enjoy) travelling, he would go on excursion to Europe.
4.If Nick sang very well, he...(become) famous.
5.Jane would have gone to the disco if she...(pass) her exmes.
6.If people...(take) care of out environment, we would not have environmental problems.
7.The forests...(not disappear) if people had not cut down so many trees.
8.If we did not pollute rivers, we...(save) a lot of fish.
9.If people...(use) cars less, the air would be fresh and clean.
10.If I were a talented scientist, I...(help) to solve all environmental problems.
11.We would have saved a lot of endangered animals if we...(protect) our nature.