试题 试卷
题型：单选题 题类：常考题 难易度：普通
【部分gb】北京航空航天大学实验学校2019-2020学年八年级下学期英语期末试卷
___ You're right. I need some walking exercise.
—Oh, it is _______ books.
— Yes, I do. , have you ever heard of him since he left?
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