Question

【题目】My brother’s leg was badly hurt when he practiced yesterday.

A. ran B. running C. run D. to run

Answer 1

【答案】B

【解析】

句意：当他昨天练习跑步的时候，我的弟弟的腿严重受伤了。A. ran 跑步，一般过去时态； B. running跑步，现在进行时； C. run跑步，原形；D. to run跑步，动词不定式。短语practice doing sth.表示练习做某事；根据题意，故选B。