Question

He ________ his leg when he ________ a football match against another school．

1. A.
   broke; played
2. B.
   has broken; was playing
3. C.
   broke; was playing
4. D.
   broke; had played

Answer 1

C
本句意为“他在与另一所学校的足球比赛中折断了腿”。应用的句型为：sth．happened when sb．was doing sth．。