Each of us has to write a report every three weeks.
A. two-thousand-words
B. two-thousand-word
C. two-thousands-word
D. two-thousands-words
网友回答
A. two-thousand-words
B. two-thousand-word
C. two-thousands-word
(答案→)D. two-thousands-words
解析：考查复合形容词：“基数词 + 连字符号 + 单数名词”构成一个复合形容词，其中的名词只能是可数名词单数形式，故答案为B。