She would rather(宁愿) have a room than sleep with her sister.A. on her ownB. of her ownC.

问题补充：

She would rather(宁愿) have a room than sleep with her sister.

A. on her own

B. of her own

C. of hers

D. for her

答案：

A. on her own

(答案→)B. of her own

C. of hers

D. for her

解析：考查短语：on one’s own 依靠某人自己，of one’s own 属于某人自己的，句意：她宁愿有一间属于自己的房间也不愿意和她的姐姐睡在一起。故选B。