Correct

当班

/ dāngbān / 
Strokes

Definition

to work one's shift

Example

As a Verb

be on duty; work a shift

1
Jīntiān
今天
wǒ
我
dāngbān
当班
  
。

I am on duty today.

2
Dāngbān
当班
hùshi
护士

nurse on the shift

3
Lúnliú
轮流
dāngbān
当班

work in shifts; be on duty by turns