网址:http://m.1010jiajiao.com/timu3_id_2716656[举报]
-Is this bike yours, David?
-No, it’s not ________.It’s Helen’s.
A.her
B.hers
C.mine
D.my
-David, is this your sister's bike?
-No, it's not ________.It's my brother's.
yours
his
hers
mine