Put the verbs in brackets into Past Simple or Past Continuous.
1. I (to wait) in the queue to pay for my groceries when I (to see) the man in front of me pull out a gun.
2. They (to drive) to the airport when the car (to break down).
3. Can you give this to Sheila? She (to leave) it in my office earlier.
4. The police (to arrest) the thieves last night.
5. Bobby (to walk) along the beach when a gust of wind (to blow) his hat
off.