1. It's completely broken, trying to fix is of ____. 2.This map might be of ____ in finding our way. 3. Is this old tool of ____ to you? 4. If you make ____ of the Internet, you might neglect your studies. 1. This discussion is of ____, he'll never change his mind. 2. Those extra notes were of ____ in preparing for the examn. 3. Would it be of ____ to call the police? 4. You're making ____ of these, you won't be able to concentrate.

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