Since it's declarative, it ends with a period. We should add some commas as well.
<em>S</em>chool began on a cold<em>,</em> <em>S</em>eptember morning<em>.
</em>
That should work.
While Colonel Pickering is not what all would consider to being a "true gentleman", he is the closest to it. He has more respect toward Eliza than Higgins, whose only concern is for himself. Doolittle is only a selfish, terrrible father, and Freddy is not in love with Eliza, but merely wants to use her. Thus Colonel Pickering is the closest character to being a "true gentleman".
