试题与答案

A.At 5:30. B.At 6:00. C.Before 6: 00. D.A

题型:单项选择题

题目:

A.At 5:30.

B.At 6:00.

C.Before 6: 00.

D.After 6: 00.

答案:

参考答案:D

解析:[听力原文]
According to the man, when is it cheaper to make a phone call

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