They greeted each other. - Did you hear them greet each other?, Mary sang English songs. - Did you hear Mary sing English songs?, Jacob played the piano. - Did you hear Jacob play the piano?, The teacher explained the rule. - Did you hear the teacher explain the rule?, They discussed the question. - Did you hear them discuss the question?, He spoke at the meeting. - Did you hear him speak at the meeting?,

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闪存卡是一个开放式模板。它不会为排行榜生成分数。

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