问题
选择题
On Sunday, Rose's family were at her _____________ house. They were very happy.[ ]
A. grandpa
B. grandpa's
C. brother
D. friend
答案
答案：B
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On Sunday, Rose's family were at her _____________ house. They were very happy.[ ]
A. grandpa
B. grandpa's
C. brother
D. friend
答案：B