proofread|proofreading

我们必须在提交报告前让人校对一遍。

We need to ___get the report ___proofread before submitting it.

他在提交论文前花了很多时间进行校对。

He spent a lot of time ___proofreading his paper before submitting it.

编辑在发表前仔细校对这份报告。

The editor carefully ___proofread the report before publication.