Which sentence DOES NOT use imperative mood?

Responses Come do the dishes from last night. Come do the dishes from last night. - no response given If you do your homework, you can game with your friends. If you do your homework, you can game with your friends. - no response given Don't walk away when I'm talking to you! Don't walk away when I'm talking to you! - no response given Please clean your room before you go.

If you do your homework, you can game with your friends.