— Why are you so popular with your students?— As a teacher, I seldom give my students so difficult a

题目简介

— Why are you so popular with your students?— As a teacher, I seldom give my students so difficult a

题目详情


— Why are you so popular with your students?
— As a teacher, I seldom give my students so difficult a problem ____ they cannot work out.
A.as B.that C.if D.which
题型:单选题难度:偏易来源:不详

答案

A
考查定语从句。先行词为a problem,后面的从句they cannot work out后缺少宾语,所以使用关系代词,so… as,为固定搭配,所以选A。

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