(·福建南平二检)—Does he work hard at his lessons?—Yes he no effort as far as I know.A. wa

问题补充：

(·福建南平二检)—Does he work hard at his lessons?

—Yes, he no effort, as far as I know.

A. wastes

B. shares

C. spares

D. makes

答案：

A. wastes

B. shares

(答案→)C. spares

D. makes

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。