问题
选择题
单项填空。
Where are the clothes? _____ up the stairs.[ ]
A. It's
B. You're
C. I'm
D. They're
答案
答案：D
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单项填空。
Where are the clothes? _____ up the stairs.[ ]
A. It's
B. You're
C. I'm
D. They're
答案：D
