Am i correct?

1. dialogue should have it's own line/paragraph.
true <
false
2.which line of dialogue is formatted correctly:

"why would i do that", he laughed.

"why would i do that? " he laughed. <

"why would i do that" he laughed.

"why would i do that? " he laughed.

3. which piece of dialogue is formatted correctly?

when the door opened, she whispered "who's there? "

when the door opened, she whispered, "who's there? " <

when the door opened, she whispered, "who's there? "

when the door opened, she whispered "who's there"?

4. you should always include small talk in your dialogue.
true
false <

5. dialogue can't be used to set the mood of a passage.

true
false<