EXERCISES AND TESTS

Exercises and tests based on grammar, vocabulary, etc...:
http://www.myenglishpages.com/site_php_files/exercises.php
http://www.mansioningles.com/Ejercicios00.htm

Common mistakes:
http://www.mansioningles.com/first/first_cert03.htm

Phrasal verbs:
http://www.mansioningles.com/first/first_cert08.htm

Open cloze (Activity to fill in the gaps):
http://www.mansioningles.com/first/first_cert09.htm
http://www.mansioningles.com/first/first_cert10.htm

Quizzes to revise grammar and vocabulary:
http://a4esl.org/q/f/