单项选择题

Questions 22 to 25 are based on the conversation you have just heard.

A．They organized online conferences.
B．They organized staff meetings.
C．They trained the staff members.
D．They invested in new technology.

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热门试题

单项选择题A．It was a disaster.B．It won the staff’s upholding.C．It drew a laugh.D．It turned out to be a failure.

单项选择题Similar to an invention or some innovation in commerce, we are again entering a period of social change through commercial way: ______.

Questions 22 to 25 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。