Make generaal questions to these sentences.
1) Sue was watcheng TV at 5 o'clock yesterday
2) The pupils were writing a test when the bell rang
3) Mr Smith was reading the newspaper when the doctor came
4) Ed was doing his room at 7 o'clock yesterday
5) Emma and Dan were drinking tea when the film began
6) Don was sitting on the sjfa when the doorbell rang
7) She was cooking when her friends came