It doesn't contain any punctuation, first of all, and second, it doesn't have a subject. To be a sentence, it must contain a subject. It also must contain one main clause.
-DustinBR
Answer:
It builds a sense of anticipation and mystery.
Answer: Both a sitcom and a one-act play can both be entertaining and fun.
Answer:Present evidence that contradicts your stance, and then argue against (refute) that evidence and therefore strengthen your position.
Explanation:
