国家开放大学 / 人文英语1
— Hi! How are you doing?
— _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
A. That's all right
B. How are you doing?
C. I'm doing well.
— _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
A. That's all right
B. How are you doing?
C. I'm doing well.
参考答案：
佳题速递：