试题 试卷
题型：单选题 题类：常考题 难易度：普通
人教版（PEP）2018-2019学年小学英语五年级下册Recycle 1课时练习
—It's blue.
— It's my brother's.
— She's my mother.
—He's Ben's brother.
— 20 girls and 23 boys.
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