This lamp can be used as fill-in light.

这个灯可以作为补光使用。

We need to use fill-in light when shooting.

我们需要在拍摄时使用补光。

They used fill-in light while shooting the video.

他们在拍摄视频时使用了补光。

The photographer suggested we use fill-in light on cloudy days.

摄影师建议我们在阴天使用补光。

Multiple-choice questions are more interesting than fill-in-the-blank questions.

多选题比填空题更有趣。

You can improve the quality of the photo by adjusting the fill-in light.

你可以通过调整补光来改善照片的质量。

I like doing choice questions because they are easier than fill-in-the-blank questions.

我喜欢做选择题，因为它们比填空题简单。

You also have some fill-in-the-gap answers.

你可能还会遇到填充问题。

Please clearly fill-in this Registration Form.

敬请清楚填写本注册表格。

Please read enclosed Registration Information before fill-in this form.

请细阅附页注册须知，然后填写本注册表格。