Inspecting Asphalt Shingle Roofs error

I’m taking the Inspecting Asphalt Shingle Roofs class and keep running into this on the quiz, ??? marks instead of answers. What’s up?

It’s been happening on more than just this one quiz.

Try Ben Gromicko at:

It’s a gift to increase your odds of getting it right, unless you’re confused about which “?” is the correct answer. Then you may be in trouble.

It was the bottom"? "

Hi, all. It looks like it’s a technical error bug. So, I’m informing Kate Editor-in-Chief to take a look and correct. Should be back to normal in a bit. And just a reminder for everyone that the best way to contact staff about any of these types of issues is through Thanks.