Practice for Unit 4

Animal games:
http://www2.arnes.si/~oskplucija4/ces/whoami.htm
http://www.agendaweb.org/vocabulary/animals-exercises.html (Click on the green or yellow links)

Practice the past tense:
http://www.agendaweb.org/verbs/past_simple-exercises.html (Do at least three exercises)
http://www.usingenglish.com/handouts/77.html

Practice past continuous:
http://www.english-grammar-lessons.com/pastcontinuous/exercise3.swf