Question

【题目】Before going abroad，he devoted all the time he could ________ his spoken English.

A. to improve B. to improving

C. improve D. Improving

Answer 1

【答案】B

【解析】

试题分析：考查非谓语形式。句意：在出国之前，他投入了自己所有的时间来学英语口语。Devote to doing 是固定搭配，介词to后面接动词的ing形式，故选B项。