单项选择题

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

A．Her grades are improved.
B．Good grades are easy to get.
C．Good grades take some sacrifice.
D．Student life is supposed to be difficult.

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单项选择题

单项选择题

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