题目内容
单项选择。
Lily and Lucy are twins (双胞胎). December 3rd is birthday.
[ ]
A. Lily's and lucy's
B. Lily and Lucy's
C. Lily's and Lucy.
D.Lily and Lucys'
B. Lily and Lucy's
C. Lily's and Lucy.
D.Lily and Lucys'
B
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