VOCABULARY

You can practice vocabulary for PET on line.
http://cdextras.cambridge.org/ObjectivePET/start.htm

For KET and Pet students: review 

http://fog.ccsf.cc.ca.us/~lfried/activity/listening/ex1phoneex.html
http://fog.ccsf.cc.ca.us/~lfried/activity/listening/ex1phoneex2.html

2. Verbs
Irregulars verbshttp://www.macmillandictionary.com/verb_wheel/

3. The time http://gamestolearnenglish.com/clock/ ( Chrome)

READING

You can practice reading and pronunciation on this link.
<There are 3 levels, level 1 is the easiest.   http://www.newsinlevels.com

Grammar exercises for PET (B1) http://esl-bits.net/main2.htm