Each of us has to write a ______report every two weeks. A.two-hundred-word B.two-hundreds-word
问题描述：
Each of us has to write a ______report every two weeks. A.two-hundred-word B.two-hundreds-word
C.two-hundreds-wordsD.two-hundred-words 请说明原因
答
a hundred前面有数词表示几百不加S 在这里空格需要一个形容词做定语而不是名词所以word不加s