单项选择题

Passage Two
Questions 30 to 32 are based on the passage you have just heard.

A．A platform worker.
B．A computer.
C．The command spot.
D．A machine.

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Clinton made friends with Robert Reich when he was study at ______.

Passage TwoQuestions 30 to 32 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。