1) Was Sue watching TV at 5 o'clock yesterday?
2) Were the pupils writing a test when the bell rang?
3) Was Mr Smith reading the newspaper when the doctor came?
4) Was Ed doing his room at 7 o'clock yesterday?
5) Were Emma and Dan drinking tea when the film began?
6) Was Don sitting on the sofa when the doorbell rang?
7) Was she cooking when her friends came?