问题
选择题
The government is asked to improve school bus safety, ______? [ ]
A. didn't it
B. hasn't it
C. isn't it
D. doesn't it
答案
答案：C
搜题请搜索小程序“爱下问搜题”
The government is asked to improve school bus safety, ______? [ ]
A. didn't it
B. hasn't it
C. isn't it
D. doesn't it
答案：C