问题
单项选择题
Could you say it again, please?（）
A.Certainly
B.That's nothing
C.Yes, you are welcome
D.Yes, I am glad about it
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
Could you say it again, please?（）
A.Certainly
B.That's nothing
C.Yes, you are welcome
D.Yes, I am glad about it
参考答案：A