three——(five)of the water there has been polluted because of the factories nearby

问题描述:

three——(five)of the water there has been polluted because of the factories nearby

因为附近的工厂,3/5的水受到了污染

fiftnes 是一个序数词

three_of fifth___(five)of the water there has been polluted because of the factories nearby
有五分之三的水因为附近的工厂而被污染了