--Sorry, sir. I made a mistake again.
-- . Practice more and you will do better.
A. Never mind
B. I'm not sure
C. You're wele
D. Don't mention it
网友回答
(答案→)A. Never mind
B. I'm not sure
C. You're wele
D. Don't mention it
解析：A. Never mind没关系 B. I'm not sure我不确定C. You're wele不用谢 D.Don't mention it何足挂齿；句意：对不起，先生。我又弄错了。不要紧，练习的更多的话你会做的更好的。