Asking questions in four different tenses is the latest interactive book from Collège Marc Chagall.
Here students at elementary level (Básico 1 and Básico 2) will find a thorough study and revision of wh-questions (subject and object questions) in present simple, present continuous, past simple and present perfect.
The study of the basic question words is also accompanied by audio files.
Congratulations on a well done job and thank you... once again!