问题
单项选择题
The list of Coast Stations is republished（）in a trilingual.
A.every two years
B.every three years
C.every year
D.every four years
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
The list of Coast Stations is republished（）in a trilingual.
A.every two years
B.every three years
C.every year
D.every four years
参考答案：A
