[音频]
A. 恭喜恭喜，我真为你高兴。
B. 这位学生非常感谢老师对他的耐心帮助。
C. 我万分感谢你的热情鼓励。
D. 太谢谢了。非常感谢你能理解。
[音频]
A. Welcome!
B. Forget it.
C. My pleasure.
D. Never mind
[音频]
A. It isn't worth much.
B. I'm glad you like it.
C. You are welcome.
Don't mention it.
[音频]
A. Don't mention it.
B. I don't care.
C. It's my fault.
D. Forget it.
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