单项选择题
A.What are you looking for B.How are you C.Nice to see you. D.Is there anything I can do for you
A.Yes, you are very kind B.No, you're too polite C.Thanks, but you're exaggerating D.Yes. I'm proud of him
A.DO you have anything to declare, sir B.Good morning. May I help you C.How are you feeling today D.What seems to be the problem