Question

【题目】We study English by ________ some reading.

A. did B. doing C. do D did

Answer 1

【答案】B

【解析】

句意：我们通过阅读来学习英语。考查介词用法。by通过，介词，后面跟名词，代词或动名词，构成介宾短语，故用doing，选B。