单项选择题

Questions 14 ～ 17 are based on the following dialogue about a part-time job. How often will the woman correct the students’ assignment

A．Once a week.
B．Once two weeks.
C．Once a month.
D．Once three weeks.

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单项选择题

单项选择题

Questions 14 ～ 17 are based on the following dialogue about a part-time job. How often will the woman correct the students’ assignment 您的浏览器不支持 audio 元素。