试题 试卷
题型：单选题 题类：常考题 难易度：普通
仁爱科普版七年级上Unit 1 Making new friends Topic 3 How old are you?专题练习：不定冠词 a；an的用法
— It's ______ orange. It's ______ orange coat.
—The one with ________ umbrella? She is our monitor.
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