Hello! I ________ you _______ in London. How long have you been here?
A．don’t know, were
B．hadn’t known ,are
C．haven’t known ,are
D．didn’t know, were
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◎ 知识点
根据n多题专家分析，试题“Hello! I ________ you _______ in London. How long have you been here?A．don’t know, wereB．hadn’t known ,areC．haven’t known ,areD．didn’t know, were…”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。
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