Question

【题目】He kept ________ so that he could be in good health.

A. exercises B. exercising

C. to exercise D. to exercising

Answer 1

【答案】B

【解析】

句意：他坚持锻炼以便他可以(保持)健康。考查非谓语动词辨析。keep (on) doing sth意为“坚持做某事”，固定短语。根据句意语境，可知选B。