Try to do the exercises below . see ya !
http://web2.uvcs.uvic.ca/elc/studyzone/410/grammar/ppvpast1.htm
(Click on the correct answer)
http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/upperf2.htm
(Choose the best answer)]
http://www.ego4u.com/en/cram-up/grammar/simpas-preper/tests?test1
(Test 1 about Simple Past and Present Perfect)
http://www.ego4u.com/en/cram-up/grammar/simpas-preper/tests?test2
(Test 2 about Simple Past and Present Perfect)
http://www.ego4u.com/en/cram-up/grammar/simpas-preper/tests?test3
(Test 3 about Simple Past and Present Perfect)