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为什么year不加复数s?

来源:学生作业帮 编辑:神马作文网作业帮 分类:英语作业 时间:2024/11/11 15:36:36
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.
为什么year不加复数s?
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