题干
She is a student and ____________ name is Mary. （ ）
A：she
B：her
C：hers
答案(点此获取答案解析）
B
She is a student and ____________ name is Mary. （ ）
A：she
B：her
C：hers
∈Q (2）0
N (3）
{1，2} (4)φ={0}