1.if i were rich,) this expensive car. 2.) to the museum, you would have seen this picture. 3.if ) travelling, he would go on excursion to europe. 4.if nick sang very well, ) famous. 5.jane would have gone to the disco if ) her exmes. 6.if ) care of out environment, we would not have environmental problems. 7.the disappear) if people had not cut down so many trees. 8.if we did not pollute rivers, ) a lot of fish. 9.if ) cars less, the air would be fresh and clean. 10.if i were a talented scientist, ) to solve all environmental problems. 11.we would have saved a lot of endangered animals if ) our nature.