---Mark broke his leg when he was playing football.

---Mark broke his leg when he was playing football. He broke his right leg ______ he was playing football.A、sa B paul broke his leg while playing football,填空 he had to be aw paul broke his leg while playing football,he had to be away He broke his left foot when playing football He( )his left f He got his leg ( ) while he was playing football with a grou I asked him if he had his leg broken when playing football l 用his arm was playing he he broke basketball when连词成句 when my brother was young,he liked playing football with his 想请教一下这个是什么用法呢?His fanther broke his leg when he climbed down He broke his leg in the match Mike was injured when he was playing football.(bad)