When Tina and Diana were working, the bell ... (RING)
When Mrs Thomson ... (ARRIVE) the child was playing.
When Peter left, the baby ... (CRY).
When Martina arrived, Daniel ... (WATCH) television.
When Brian ... (OPEN) the door, Charles was jumping on the bed.
Gina was reading when suddenly she ... (SEE) a spider.
While John ... (HAVE) a shower, Martin was cooking.
When Paul was trying to open the door, he ... (HEAR) the alarm.
When the robber was running away, the dog ... (CATCH) him.
When Trevor was riding his horse, he suddenly ... (STOP).