German phrase
Wer muss ~?
Meaning
Who has to ___?
When to use it
Asks who is responsible. It is neutral and common at work or when assigning tasks.
Example dialogue
Wer muss heute die Präsentation halten?
Who has to give the presentation today?
Ich dachte, Anna hat sich dafür gemeldet.
I thought Anna had volunteered for it.