We don’t permit _______in the classroom; that is to say, students aren’t permitt

题干

We don’t permit _______in the classroom; that is to say, students aren’t permitted ________in the classroom.

A．to smoke; to smoke	B．smoking; smoking
C．smoking; to smoke	D．to smoke; smoking

上一题下一题 0.4难度单项选择更新时间:2014-07-08 10:20:06

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