Write one sentence using the word "it's" properly and one sentence using the word "who's" properly.

"It's a dog" and "Who's that?"

Explanation:

The comma is putting together and shortening 'it is' and 'who is'.

It's that time of year where people put out pumpkins and scare little kids.

Who's planning on wearing a costume this year?

which is a characteristic of dramatic point of view? it allows the audience to get deep inside a character's head. it often uses the pronouns i and me. it more easily allows the audience to make up their own minds about characters.