为什么year不加复数s?
问题描述：
为什么year不加复数s?
"Disposable Plastic bags can linger in the environment for more than 1,000 year and are the major debris found on the ...,"says Lisa Mastny ,editor of World-watch Institute`s Oceans in Peril report.
答
应该要加s,书本有时也会有错的时候,只有像a ten-year boy的时候year不能加s