He or she says good morning or good afternoon or something like that and you all, as a class,you answer.
VOA: special.2009.11.05
Good, I'll see you in section this afternoon.
好的,那下午的讨论会上见
you saw an adult, you said hello, you said good morning and you said good afternoon, you know.
每逢遇到一个大人,都会说“你好”,“早上好”,“下午好”,就像这样。
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