单项选择题

听下面一段对话，回答下列问题。
Which is more difficult to forget().

A. Smells.
B. Facts.
C. Both are difficult.

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单项选择题

A. The people in her company.
B. Her living place.
C. Her free time.

单项选择题

A. 250.
B. 450.
C. 1350.

听下面一段对话，回答下列问题。 Which is more difficult to forget(). 您的浏览器不支持 audio 元素。