试题 试卷
题型：单选题 题类：常考题 难易度：普通
牛津译林版2018-2019学年初中英语九年级下册Unit 4 Life on Mars 单元测试卷
—Oh, he is a great man who discovered America.
—In a week.
—Six classes.
—For two hours.
— Seldom.
— They're under the bed.
— By ________.
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