关于dozen的一道英语题Weneedseveraleggs.A.dozensB.dozensofC.dozenD.dozenof,C为什么不能选呢,

Question

关于dozen的一道英语题
We need several__________eggs.
A.dozens B.dozens of C.dozen D.dozen of
,C为什么不能选呢,

Answer 1

当它与具体数字连用时,既不加复数词尾-s,也不后接介词of.尽管有的词书也有 two dozen of 这样的用例,但这已属过时用法,在考试中应避免,如1992年全国高考有一道单项选择题就认为two dozen of为错误选项：
Shortly after the accident,_________ police were sent to the spot to keep order.
A.dozens of B.dozens C.dozen of D.dozen [D]