When it comes to gossip(流言蜚语), learn to keep your mouth shut ________ you'll avo

题干

When it comes to gossip(流言蜚语), learn to keep your mouth shut ________ you'll avoid trouble.

A．or

B．and

C．for

D．but

上一题下一题 0.64难度单项选择更新时间:2014-06-07 09:10:40

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