FCE

 go this page and do the reading part
http://www.examenglish.com/FCE/fce_reading.html

KET_4

http://www.english-in-chester.co.uk/e-learning/lesson/cambridge-exam-practice-ket/

http://gamestolearnenglish.com/compare/

http://gamestolearnenglish.com/spelling-bee/

http://gamestolearnenglish.com/falling-clouds/

FCE_2

Use of English: http://www.examenglish.com/FCE/fce_use_of_english.html

KET_3

How to form questions: http://www.englisch-hilfen.de/en/grammar/frage.htm
Making questions: http://www.englisch-hilfen.de/en/exercises/questions/form3.htm
Homework: http://www.englisch-hilfen.de/en/exercises/questions/question_words.htm
http://www.englisch-hilfen.de/en/exercises/questions/question_words4.htm

FC_1

Follow this link and solve the three parts of the Reading  Paper in order: http://www.examenglish.com/FCE/fce_reading.html

Just for fun: http://www.english-online.org.uk/games/grofdoom/advisory.htm

KET_2

Go to this page, choose a puzzle and make it with vocabulary of one of the previous units: http://www.discoveryeducation.com/free-puzzlemaker/?CFID=1041873&CFTOKEN=68741960

GRAMMAR: http://www.examenglish.com/KET/KET_grammar.htm

VOCABULARY: http://www.examenglish.com/vocabulary/b1_house_and_home.htm

DICTIONARY PRACTICE: http://www.wordcentral.com/games/robobee.html

KET_1

a) Irregular past verbs:  http://myteachingcorner.blogspot.mx/2011/02/contextualizing-language.html

b) Vocabulary: http://www.examenglish.com/KET/KET_vocab.htm