问题
选择题
It is ___ to observe traffic rules.
A．of great importance for us
B．important to us
C．great importance of us
D．of great importance to us
答案
答案：A
搜题请搜索小程序“爱下问搜题”
It is ___ to observe traffic rules.
A．of great importance for us
B．important to us
C．great importance of us
D．of great importance to us
答案：A