把简单句变成复合句,
问题描述：
把简单句变成复合句,
what happens to peopie who live near noisy machines or use them over a period of time?
答
What happens to peopie to live near noisy machines or use them over a period of time?
将原来who引导的定语从句的复合句变为to do的动词不定式做后置定语的简单句.