单项选择题

Questions 77-79 refer to the following message. According to the speech, what does Mary do

A. She is a manager.
B. She is the CEO.
C. She is an assistant.
D. She is a board director.

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单项选择题

单项选择题

Questions 77-79 refer to the following message. According to the speech, what does Mary do 您的浏览器不支持 audio 元素。