单项选择题

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

A. Karen’s friend.
B. Karen’s parents.
C. Karen’s lecturers.
D. Karen herself.

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单项选择题

问答题

My history courses are more stressful than ______ in Tsinghua as a freshman in biochemistry, or in Tsinghua Fuzhong’s experimental accelerated science program.

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