ESO 3 revision for the test

Present perfect exercises
http://www.englisch-hilfen.de/en/exercises/tenses/present_perfect_statements.htm
http://www.englisch-hilfen.de/en/exercises/tenses/present_perfect_mix.htm


Present perfect or past simple?
http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/upperf2.htm