Hi @Maria2503 ,
Thank you for posting on the Instructure Community!
This is strange behavior, I haven't come across this problem using New Quizzes before. When it comes to questions not being shown, New Quizzes does not eliminate from showing teachers the questions students haven't answered, instead it brings up a red box displaying No Answer.
Is it possible that the teacher that's experiencing this issue made changes to the quiz by adding or removing questions after some students edited it? Maybe that's why not all the questions she intends on viewing aren't appearing. Just a thought.
- Noah