It is today that I start to work hard.

是今天我开始努力工作。

youdao

My holiday is over and it is the first day I start to work today.

我的假期结束了，今天是我上班的第一天。

youdao

My holiday is over and it is the first day I start to work today.

我的假期结束了，今天是我上班的第一天。

youdao