当我看到广告时，申请这份工作已经太晚了。

It was too late to ___apply for the job when I saw the advertisement.

我已经申请了那家公司的一份工作。

I have ___applied for a job at that company.

我上周申请了这门课程并开始上课。

I ___applied for the course and started lessons last week.