Remember to think actively as you listen in class, ____ you may fall asleep.A．bu_刷题宝

题干

Remember to think actively as you listen in class, ____ you may fall asleep.

A．but

B．and

C．or

D．so

上一题下一题 0.64难度单项选择更新时间:2013-03-24 10:44:01

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