会议开始半小时后，他才姗姗来迟。

He ___showed up half an hour after the meeting had started.

墨水渍在白纸上特别明显。

The ink stain ___shows up clearly on the white paper.

这次考试彻底暴露了他的知识漏洞。

The exam really ___revealed the gaps in his knowledge.