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Later, while the quiz is still open - Means that, after the student submits, but before the the Close the quiz date/time. The , the selected review items remain available if no close date is set, or until the Close the quiz date/time is reached.
After the quiz is closed - Means that, the selected review items are available after the quiz is closed, and can no longer be attempted. These options are inoperable for quizzes without a Close the quiz date/time set.
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