Choose the correct options to fill in the gaps

1. I
   [am|was]
   at school yesterday.
2. Where
   [did|were]
   you go last week?
3. What daily routines
   [do|are]
   you do every day?
4. How much time
   [did|does]
   your dad usually work?
5. Who
   [are they looking|do they look]
   at?
6. He
   [writes|is writing]
   a letter now.
7. We
   [visit|visited]
   our grandma yesterday.