单项选择题

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

A．Servant and hostess.
B．Waiter and customer.
C．Doorkeeper and visitor.
D．Shop assistant and old customer.

<上一题目录下一题>

热门试题

填空题

Most of the foods grown and processed according to the federal standards will bear the seal ______.

填空题

The products labeled made with organic ingredients must contain at least organic content ______.

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