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:72 题号:5285115
—The boy always eat a lot of meat every day.
—It’s _ unhealthy habit. You must ask him to change it.
A.aB.anC./

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