单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．Customer and assistant.
B．Father and daughter.
C．Dentist and patient.
D．Teacher and student.

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热门试题

填空题

In the conversations with their child, parents tend to use ______ words because of the busy fives parents lead.

填空题

Children who often picture a story in the mind can remember details better and enjoy reading more.

Questions 11 to 18 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。