题干
— Does your brother like sports?
— Yes. And he is running.
A：good with
B：good at
C：good for
D：good to
答案(点此获取答案解析）
B
— Does your brother like sports?
— Yes. And he is running.
A：good with
B：good at
C：good for
D：good to
，
，已知
∈B,且B中含有3个元素，则集合B有( )
