单项选择题

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

A．Husband and wife.
B．Doctor and nurse.
C．Sales clerk and customer.
D．Airline agent and customer.

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填空题

The popularity of Chinese in the world makes the Chinese TOFEL’, the ______ exam, possible.

填空题

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