Question

do your duty at once​

Answer 1

Answer:

You are ordered to to do your duty at once. or Let your duty be done at once.

Explanation:

this is the answer if your question is to change the voice

Answer 2

Answer

Your ordered to do your duty at once.

Much infomation to know about

Passive voice

The place where a verb and the subject undergoes the action of the verb is called as passive voice.