a) at midnight, when you (call) us, we (sleep). b) the kids (play) in the park while their mother (read) a book. c) we (visit) new york when they (attack) the world trade center. d) nobody (work) when i (arrive.) e) lots of people (come) to see him while he (paint) the picture.
A - At midnight, when you called us, we were sleeping. B - The kids are playing in the park while their mother is reading a book. C - We visited New York when they attacked the World Trade Center. D -Nobody is working when I arrive. E - Lots of people came to see him while he is painting this picture.
