Tourists were told _____their sunglass to protect their eyes from the strong sun

题干

Tourists were told _____their sunglass to protect their eyes from the strong sunlight

A．to not take off	B．not to take off
C．not taking off	D．not take off

上一题下一题 0.64难度单项选择更新时间:2013-05-24 08:02:41

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