问题
选择题
The mother is very worried ________ her lost kid. [ ]
A. with
B. about
C. on
D. in
答案
答案：B
搜题请搜索小程序“爱下问搜题”
The mother is very worried ________ her lost kid. [ ]
A. with
B. about
C. on
D. in
答案：B