Which sentence is punctuated correctly?

even though, it is almost summer, we still have overcast skies and light rain.

even though it is almost summer , we still have overcast skies and light rain.

even though it is almost summer we still have overcast skies and light rain.

Then she heard his step on the stair away down on the first flight, and she turned white for just a moment. the phrase "she turned white for just a moment" is mainly used to show that della has very fair skin. is afraid of jim's reaction. is beginning to get an illness. had become extremely angry.

Pls needs hypehen or no hyphen 1. after serving as principal for ten years, mr. jones will resign this year 2. it's sixty seven degrees outside and it's only february!

According to the author, where can we find the answer to our nation’s “most pressing problem”? does that seem logical?