He broke his right leg ______ he was playing football.A、sa B、while C、because D、sinceHe broke his right leg ______ he was playing football.A、sa B、while C、because D、sinceA是as

问题描述:

He broke his right leg ______ he was playing football.A、sa B、while C、because D、since
He broke his right leg ______ he was playing football.
A、sa B、while C、because D、since
A是as