Word confusion!

To practice understanding the difference between confusing words such as its/it's, their/there/they're, whose/who's, etc., complete the exercise in class.

Required quizzes:

1. There/Their/They're (http://www.chompchomp.com/hotpotatoes/wordchoice01.htm)
2. Whose/Who's (http://www.chompchomp.com/hotpotatoes/wordchoice10.htm)
3. It's/Its (http://www.usingenglish.com/quizzes/287.html)

Extra Credit:

• It's/Its and There/Their/They're (http://grammar.ccc.commnet.edu/grammar/cgi-shl/quiz.pl/its_there_quiz.htm)
• Their/They're/There (http://grammar.ccc.commnet.edu/grammar/cgi-shl/quiz.pl/its_there_quiz.htm)
• Their/They're/There (http://www.usingenglish.com/quizzes/75.html)