求助: I think ___ of the materials I listen to at the beginning of the exam ___ easy.

题目

求助: I think ___ of the materials I listen to at the beginning of the exam ___ easy.
A. two thirds ... is
B. second three ... are
C. two thirds ... are
D. two third ... are
前面的二、三是什么意思?是什么语法?
答者重谢

答案

选C,这句话是个从句中文是:我认为在考试开始时我听到的2/3的题材很简单(material表题材,素材,资料等意思,是可数名词所以后面一个空用复数的谓语形式are,前一个空填的是一个数词,表示分数2/3,固定搭配,你找一本语法书...