组卷网 > 初中英语综合库 > 语法 > 冠词 > 不定冠词 > a/an的区别
题型:单项选择 难度:0.65 引用次数:127 题号:7772309
I sent ________ email to my parents last Saturday.________ email is about my English study in America.
A.a; AnB.an; An
C.an; TheD.a; The

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