◎ 题干
—Have you seen my e-mail about our TESL project? 
—Yes. Luckily I checked my e-mails yesterday. Normally I ______ my e-mail box for days.
[     ]
A. haven’t opened                        
B. didn’t open
C. hadn’t opened                        
D. don’t open
◎ 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“—Have you seen my e-mail about our TESL project?—Yes. Luckily I checked my e-mails yesterday. Normally I ______ my e-mail box for days. [ ]A. haven’t opene…”主要考查了你对  【一般现在时】  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。