1.kolo - 80%
https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-7317.php
2.kolo - 80%
https://agendaweb.org/exercises/grammar/questions/what-where-when-who
3.kolo - 80%
http://www.learnenglish-online.com/grammar/tests/whquestions.html