Their - That ball is their's.
There - The cup is sitting right there.
They're - They're all friends.
It's - It's a brown dog.
Its - Its her daughter.
Who's - Who's coming to our swimming party?
Whose - Whose luggage is red?
Good - The job is a good job.
Well - You performed your job well.
Affect - The bear is affecting the boys, making them fight.
Effect - The kids fighting, is effecting the bear because they ripping it apart.
Accept - Beyonce accepted her award.
Except - Everyone can play except him.