Question

【题目】—Does he work hard at his lessons?

—Yes, he ________ no effort, as far as I know.

A. wastes B. shares

C. spares D. makes

Answer 1

【答案】C

【解析】

选C　考查动词辨析。句意：“他学习努力吗？”“是的，据我所知，他不遗余力地学习。”spare no effort (to do sth.)“不遗余力(做某事)”，是固定短语。