--- Good morning, sir. May I help you?
--- __________ .
A.No, I don’t buy anything B.No, I don’t need your help C.Yes, I need some sugar D.Oh, no. That’s OK正确答案C
--- Good morning, sir. May I help you?
--- __________ .
A.No, I don’t buy anything B.No, I don’t need your help C.Yes, I need some sugar D.Oh, no. That’s OK正确答案C
