问题
单项选择题
In the safety communication，you can get your R/O（）it for you.
A.do
B.to do
C.doing
D.done
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
In the safety communication，you can get your R/O（）it for you.
A.do
B.to do
C.doing
D.done
参考答案：B
