单项选择(1)Mr Black is _______ father.They are twin sisters.A.Su
单项选择
(1)Mr Black is _______ father.They are twin sisters.
A.Su Hai 's and Su Yang's
B.Su Hai's and Su Yang
C.Su Hai and Su Yang's
(4)Zhang Hua is _______.
A.mine friend
B.some of my friends
C.a friend of mine