试题 试卷
题型：单选题 题类：常考题 难易度：普通
2016-2017学年陕西西安市七十中七年级上第二次月考英语试卷
—That's great. I've never seen ______ more moving one.
—Yes, I do. I have one in Britain.
—It's{#blank#}1{#/blank#} (a/an) eraser.
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