____the morning of the second day of the meeting, Dr. Smith read his paper.A．AtB_刷题宝

题干

____the morning of the second day of the meeting, Dr. Smith read his paper.

A．At

B．In

C．On

D．From

上一题下一题 0.64难度单项选择更新时间:2012-06-20 10:06:50

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