题干
— Hello, ____ you Mary Miller?
— No. Mary Miller ___ my sister.
A：are; is
B：are; am
C：is; is
D：am; are
答案(点此获取答案解析）
A
— Hello, ____ you Mary Miller?
— No. Mary Miller ___ my sister.
A：are; is
B：are; am
C：is; is
D：am; are
