The answer is (d.) mov(e). A free morpheme means a word that can stand alone. In the word REMOVAL, the word move can leave out and can stand on its own since it has its own meaning. The word move doesn't need prefixes to have a meaning.
Me and im typing this other stuff because i have to
A verb is used to describe an action.
Example: Joan is running to the park to play frisbee.
The key words are: is running.
So, in your question, since Uncle Joe is growing a beard, that'll mean your verb tense is present progressive. It's present progressive because he's growing something, and things that grow have a process to follow through.
I hope I helped :)
