Use Past Indefinite or Past Continuous.
1. I (to play) computer games yesterday. 2. He (to play) computer games
from two till three yesterday. 3. What Nick (to do) when you came to his place ?
4. What you (to do) when I rang you up ? 5. What he (to do) yesterday ? - He (to
read) a book. 6. What he (to do) the whole evening yesterday ? - He (to play) the
piano. 7. When I came into the kitchen mother (to cook). 8. I (to go) to the
cinema yesterday. 9. I (not to write) a letter to my friend the day before
yesterday. 10. Last summer we (to be) in the country.