问题
选择题
—Is this your bicycle, David?
—No, it's not _______. It's Helen's. [ ]
A. his
B. yours
C. mine
D. hers
答案
答案：C
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—Is this your bicycle, David?
—No, it's not _______. It's Helen's. [ ]
A. his
B. yours
C. mine
D. hers
答案：C