她的解释非常清楚，我一下子就明白了。

Her explanation was very ___clear and I understood it immediately.

请确保桌面是干净的，没有杂物。

Please make sure the table is ___clear of any clutter.

这个玻璃杯非常透明，可以清楚地看到里面的水。

This glass is very ___clear, you can see the water inside clearly.

请在离开前清理你的办公桌。

Please ___clear your desk before leaving.

经过调查，他被证明是清白的，所有指控都撤销了。

After the investigation, he was ___cleared of all accusations.