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【题目】 Do you have __________ e-mail address?

Sorry, I dont have one.

A. a B. an C. the D. /

【答案】B

【解析】考查冠词的用法。句意:——你有电子邮箱吗?——对不起,我没有。a/an均用于修饰单数可数名词,表示泛指,相当于one;a用于辅音发音开头的词前, an用于元音发音开头的词前。再次提到上文提到过的人或物,或表示特指,应该用定冠词the。根据语境可知,这里表示"一"的概念,故选B。

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