河南成教 / 商务英语
[单选题]
If infirm or elderly members of the visiting team require immediate exit from the airport, let the hosts know well （ ）
A. in advance
B.ahead of time
C.bring forward
D. ahead of schedule
If infirm or elderly members of the visiting team require immediate exit from the airport, let the hosts know well （ ）
参考答案：
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