问题
选择题
— __________.
— Ok. How are you doing? [ ]
A. How is it going?
B. How do you do?
C. What's up?
D. What is the matter?
答案
答案：A
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— __________.
— Ok. How are you doing? [ ]
A. How is it going?
B. How do you do?
C. What's up?
D. What is the matter?
答案：A