企源知识库

broke, was breaking, was broken, played, was playing
He ____ his leg when he ____ in a football match against another school
【正确答案】：broke; was playing
【题目解析】：本题考查过去进行体。【要点透析】过去进行体常和when等引导的时间状语连用。句意:当他正与另一所学校进行橄榄球比赛时,他摔断了自己的腿。