The accident happened because he drove carelessly. (Rewrite, using "due to") 7. I don't know his new address. I can't visit him. (Rewrite, using "If") - If. 8. The fish die because of water pollution in this river. (Combine the two sentences into one. using "leads to") -water pollution I don't have enough money, so I can't buy a new dictionary. (Rewrite, using "If") -if "You must finish all these exercises before going out with your friends tonight." - Nam's mother said..........