( ) l was sitting on the sofa,my father came into

发布时间：2021-02-28 02:50:04

( ) l was sitting on the sofa,my father came into the roomA While B before C Until D Since

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Awhile 当.时候,表示一个时间段,此句是为主句的瞬间动作came 作时间铺垫
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