问题描述：
This is ( )bedroom .The twin sisters like it very much.
A.lucy and Lily's B.Lucy's and Lily's C.Lucy's and Lily D.Luly and Lily.
单项填空.请说明为什么.
A.lucy and Lily's B.Lucy's and Lily's C.Lucy's and Lily D.Luly and Lily.
单项填空.请说明为什么.
问题解答：
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