Answer:
No, you should not have to redo your assignments because it is your teacher's fault, not yours. To prevent this, you can confront your teacher. If you have already done this, wait until the end of class to turn in your assignments. See what he does. The next day, see if he has lost it. If you turn in your assignments at the end of class, then turn them in at the beginning.
Explanation:
Hope this helps! :)
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