Which one is not proper for a formal pick-up service at the airport?
发布时间:2024-04-16 11:41:40
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One should not stick the chopsticks upright in the bowl.
B:One should be courteous to the elderly.
C:When taking a seat, one should follow the principle of "honored north, humble south".
D:When having a toast, one is expected to (drain the glass in one swig.