"Today nobody brought his or her instrument" is correct. It is common for people to use "their" in a sentence like this, but "his or her" is the more proper term.
Answer:
The book that you are holding is the one I want.
Explanation:
I think it would be "a fragment missing a subject" bc it doesn't say what she volunteered for. good luck ☺
Hello,
I am Klara thanks for posting your question on brainly, unfortunately we are having troi