I _________ (prepare) sandwiches for dinner yesterday at 6pm.
am preparing
was preparing
I _________ (surf) all day long in Cabo San Lucas last summer.
surfed
was surfing
I _________ (practice) guitar for hours last Friday.
was practicing
practiced
Yesterday at 10am, I _______ (learn) English at school.
am learning
was learning
I _______ (have) fun with my friends at their house when my mother called.
had
was having
