问题
选择题
— ________?
— Yes, I want some erasers. [ ]
A. What are you doing
B. Where are you doing
C. What's the matter
D. May I help you
答案
答案：D
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— ________?
— Yes, I want some erasers. [ ]
A. What are you doing
B. Where are you doing
C. What's the matter
D. May I help you
答案：D