Answer:
A . . . (see below)
Explanation:
This depends on the sentence, in most cases, simply a period.
Answer:
The doorman won't allow you to enter UNLESS you provide identification.
The Man who was smart in school, has grown up to be unintelligent
The "k" in knee is silent so it sounds like "net" :)
Answer:
fun
party
celebrations
friends
these all things come to my mind