国家开放大学 / 人文英语4
— So sorry to trouble you.
— _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
A. I don't think so
B. It's a pleasure
C. It's your fault
— _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
A. I don't think so
B. It's a pleasure
C. It's your fault
参考答案：
佳题速递：