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:33 题号:16601795
Sam is ________ 8-year-old boy. He is going to be ________ scientist when he grows up.
A.an; aB.a; anC.the; aD.an; the

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