Turnitin Cloud Submission option grayed out

For a specific turnitin assignment, several students in this teacher's class are not getting the option of Cloud Submission on turnitin...it is grayed out. It has the same settings as other turnitin ...

Quiz Exemption: How do I assign a quiz for everyone except for 1 person?

I have a teacher that is assigning a quiz to an entire section. However, 1 student will not be taking it until a later date. We don't want that single student to have access to the quiz at all (she's...