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题目内容
（中北大学-大学英语（二））
- I.m sorry. I lost the key.
- ________
A.Well, it.s OK.
B.No, it.s all right.
C.You are welcome.
D.You are wrong.
- ________
A.Well, it.s OK.
B.No, it.s all right.
C.You are welcome.
D.You are wrong.
参考答案
