something, anything, someone, anyone, somewhere, anywhere - Exercise

http://www.englisch-hilfen.de/en/exercises/confusing_words/something_anything.htm

http://www.usingenglish.com/quizzes/70.html

http://www.ego4u.com/en/cram-up/vocabulary/some-any/exercises?03

http://www.ego4u.com/en/cram-up/vocabulary/some-any/exercises?04

http://www.ego4u.com/en/cram-up/vocabulary/some-any/exercises?05

http://www.english-test.net/esl/learn/english/grammar/ii147/esl-test.php