Giúp mik bài này với thankssssss nhiều nha If I were world leader, I (1) would try (try) to stop the destruction of the earth and I (2) ..... (make) the world a better place for all people. If the world’s problems had been tackled sooner, the quality of life (3) ..... (improve) long ago. First of all, I would try to bring about peace in the world. As long as there is fighting between nations, millions of people (4) ..... (continue) to suffer and die. If wars continue, children (5) ..... (be left) without parents and (6) ..... (grow up) in a world of misery and fear. But as long as people disagree over land and possessions, the fighting (7) ..... (go on). Therefore, I would ensure that all people were treated as equals and given the same opportunities in life. It would also help if all countries (8) ..... (stop) producing arms so there would no longer be the weapons with which to fight. In addition, I would introduce laws to reduce pollution. If pollution levels (9) ... (control) earlier, life (10) ..... (not/become) so unbearable. If I (11) ..... (have) the power, I would ban all cars from city centres and increase public transport. If there were more trees, the air we breathe (12) ..... (be) cleaner. Unless measures are taken soon, it (13) ...... (be) too late both for ourselves and our children.