---- You look tired. ---- Yeah, I ________ since 4 o’clock.
A．had played
B．have been playing
C．am playing
D．have been played
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◎ 解析
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◎ 知识点
根据n多题专家分析，试题“---- You look tired. ---- Yeah, I ________ since 4 o’clock.A．had playedB．have been playingC．am playingD．have been played…”主要考查了你对 【一般现在时】，【将来进行时】，【过去完成进行时】，【过去将来时的被动语态】 等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。
◎ 相似题
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