-I do appreciate your timely help.-（）
A. It doesn’t matter
B. Don’t mention it
C. Write it off
D. It’s not your fault
-Excuse me for coming late. –（）
A. You’re welcome
B. That’s all right
C. Don’t mention it
D. It doesn’t matter
-Please excuse my careless words. –（）
A. It doesn’t matter
B. It’s not your fault
C. No way
D. Write it off
-Thanks very much for your advice on my paper（）
A. It’s my pleasure to be of some help
B. That’s too bad
C. It’s my pleasure
D. I’m glad I could help
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