但是你今天值日！

But you're on duty today!

她不喜欢值日的工作。

She doesn't like the work when she is on duty.

我们需要一个人今晚值日。

We need someone to be on duty tonight.

你明天值日吗？

Are you on duty tomorrow?

他每周三值日。

He is on duty every Wednesday.

今天轮到我值日。

Today it's my turn to be on duty.

今天谁值日呀？今天我值日

Who's on duty today? I am on duty today.

你知道今天谁值日吗?。

Do you know who's on duty today?

值日的学生总是早来。

The students on duty always come early.

今天值日的学生在哪里？

Where is the student who is on duty today?