1. She _____________ (to read) a book when the doorbell __________ (to ring).
2. She ________ (to do) her hair when the postman _________ (to come).
3. The mixer _____________ (to break) when I __________ (to cook).
4. The teacher ___________ (to be) angry because we _________ (to talk).
5. James ____________ (to find) a coin when we ______ (to walk).