Hi! Here you have 3 websites where you can find some online past simple activities if you want to practise this vacation...
http://www.englishexercises.org/buscador/buscar.asp?nivel=any&age=0&contents=past+simple
http://www.myenglishpages.com/site_php_files/grammar-exercise-simple-past.php#.U01G0fl_s9Y
http://www.ejerciciodeingles.com/ejercicios-past-simple-rellenar-huecos/
