◎ 题干
— I'm afraid you can't take photos in the exhibition, sir.
— I'm sorry. I _____ the sign.
[     ]
A.can't see
B.haven't seen
C.don't see
D.didn't see
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— I'm afraid you can't take photos in the exhibition, sir. — I'm sorry. I _____ the sign. [ ]A.can't see B.haven't seen C.don't see D.didn't see …”主要考查了你对  【一般过去时】  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。