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题型:单选题 题类:常考题 难易度:容易
浙江省温州市乐清2017-2018学年七年级下学期英语期末考试试卷
—Mary bought one yesterday. It may be _______.
— Once a month.
—No, it isn't. It's m{#blank#}1{#/blank#} .
— Yes, it is. It's m{#blank#}1{#/blank#} .
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