问题
选择题
She's milked a cow before, _____ she? [ ]
A. doesn't
B. hasn't
C. wasn't
D. isn't
答案
答案：B
搜题请搜索小程序“爱下问搜题”
She's milked a cow before, _____ she? [ ]
A. doesn't
B. hasn't
C. wasn't
D. isn't
答案：B