Solve the case of the missing apostrophe, and prove how well you know the complexities of proper punctuation. Make sure you don’t fall back on your assumptions. 
Note: Questions 6 and 7 are dealing with Chicago Style.

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* 1. This packs content hasn't been published yet. 

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* 2. The note says we can leave the package on Mr.Wells porch. 

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* 3. It'll take longer than you think to explain chess difficulty level. 

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* 4. Nothing will shift for now, not until we find out peoples schedules. 

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* 5. You could learn a lot by analyzing Robs and Mels writing techniques. 

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* 6. I left the Davis invite on the table.

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* 7. Dr.Brooks schedule doesn't allow for many office hours.

Brush up your skills and come back prepared for the next mystery. Find out the guidelines from McDonough Editorial's blog post Correcting common apostrophe mistakes.

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