Past Continuous vs Past Simple

Questions

1. MultiChoice

   While I _ reading, the phone rang.

2. MultiChoice

   She was cooking when her friends _.

3. MultiChoice

   What _ you doing when I saw you?

4. MultiChoice

   He fell off the ladder while he _ the roof.

5. MultiChoice

   It started to rain while we _ football.

6. MultiChoice

   I saw a terrible accident while I _.

7. MultiChoice

   They _ dinner when the doorbell rang.

8. MultiChoice

   She _ a book when the lights went out.

9. MultiChoice

   While the teacher _ the lesson, students took notes.

10. MultiChoice

    He _ his keys while he was walking in the park.

11. MultiChoice

    When I arrived, they _ chess.

12. MultiChoice

    The thief stole the bag while nobody _.