试题 试卷
题型：单选题 题类：模拟题 难易度：普通
—No, it's not ______. Ask Alan, Maybe it belongs to ______.
—Yes, it is. And the notebook is ________, too.
This can't be my sister's bike because her is blue.
A B C D
— No, they're {#blank#}2{#/blank#} (他们的) books.
试题篮
