do/does

An exercise by Papadamos Konstantinos

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Fill in do or does

1. How often you invite friends to your house?
2. How often he visit his grandparents?
3. How often Mandy and George play chess?
4. How often your sister prepare breakfast?
5. How often your teacher give you tests?
6. Ηow often they go abroad?
7. How often your friend play board games?
8. How often your mother buy new clothes?