Hi Mati, Facu(s), Gio, Lu, Ani, Iari, Mile:

Go to these links and practise!

http://www.eslgamesplus.com/question-words-what-where-who-why-when-which-how-grammar-activity/


http://www.englishexercises.org/makeagame/viewgame.asp?id=1898


Miss Natalia.