Each guide was helpful, but we forgot to thank them.
You should use the plural pronoun, because we don't know whether the guides were only males, or females, or whether there were both sexes.
Because if you do just choose you will probably will just choose and not even look at the other sampling. i hope that helps
Take the L means "Take The Loss"
Which is mostly used for flunking a test, being dumped, being stood up, being beaten up or robbed.
I believe so because Gatsby was a wealthy man who was poor at first and worked his way to become rich and the woman he loved was also rich and had a high class. The poorer people were lower class in the book/movie as well