Reply to thread

Message: <blockquote data-quote="sara" data-source="post: 2459542" data-attributes="member: 206920"><p>So I am taking a class by a professor I had last semester and was wondering how I should greet him the first day back. I think it would be weird for me to just not acknowledge him or say anything and just sit down and then just leave after class. What would be a non-awkward way to go about doing this? I'm kind of shy, so this probably worries me more than it should.</p></blockquote><p></p>