clear

万里无云，晴空万里。

It's a ___clear day with no clouds.

很明显他不喜欢这个计划。

It was ___clear that he didn't like the plan.

她的指示非常清晰，我们很快就完成了任务。

Her instructions were perfectly ___clear, so we finished the task quickly.

我用玻璃清洁剂擦窗户，效果很好。

I used a window ___clearer to clean the glass, and it worked great.

他脸上的表情是他感到困惑的最明显标志。

The ___clearest sign of his confusion was the expression on his face.