注意：此页面搜索的是所有试题
题目内容
（国家开放大学英语语法）
Thank you for calling. ________
A.Don.t mention it.
B.That.s fine.
C.Nice talking to you.
D.Call back again
A.Don.t mention it.
B.That.s fine.
C.Nice talking to you.
D.Call back again
参考答案
