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

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Hebrokehisrightleg______hewasplayingfootball.A、saB、whileC、becauseD、sinceHebrokehisrightleg______hewa

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
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

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
选B
while后面跟的是过去进行时,强调的是他在踢足球的同时,伤到了右腿.

B

B