Homework about CALL, MCM, and Drill and practice

CALL

Good:

http://wwwedu.ge.ch/cptic/prospective/projets/anglais/exercises/welcome.html

Bad:

http://roble.pntic.mec.es/eperez/

Drill and Practice

Good:

http://www.ego4u.com/

http://www.saberingles.com.ar/ (Chat along with EGON)

Bad:

http://web2.uvcs.uvic.ca/elc/studyzone/410/index.htm

CMC

Bad:
http://espanglishchat.com/

Good:
http://www.facebook.com/
http://www.sharedtalk.com/
http://www.fotolog.com/