首页
›
答案
›
题库
›
超星尔雅学习通未分类
Boarding usually happens （）minutes before scheduled departure.
Boarding usually happens （）minutes before scheduled departure.
A.30
B.60
C.90
D.120
正确答案：A
标签：
商务英语口语与实训
上一条：
What does the sign below mean?
下一条：
About two hours prior to takeoff, the gate attendant will announce the boarding time.