问题
选择题
In the past 10 years people have become more______ the safety of their privacy.[ ]
A. worrying about
B. cared about
C. concerned about
D. paid attention to
答案
答案：C
搜题请搜索小程序“爱下问搜题”
In the past 10 years people have become more______ the safety of their privacy.[ ]
A. worrying about
B. cared about
C. concerned about
D. paid attention to
答案：C
