Good evening, @RosarioAlwagfi ...
I'm not exactly sure how to answer your question...as you haven't provided much detail for us. But, based on the subject line, I assume that you are a student? If that is the case, your instructor may have set up your course in a specific way that has requirements and/or prerequisites that would not let you continue on until you've completed other things first. This is ultimately a question that you'd need to ask your instructor about. You can contact your instructor by following the instructions in this Guide: How do I get help with Canvas as a student?.
If I have totally misinterpreted your question, please provide more details so that we here in the Community can continue to help you out...thanks!
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