4 Circle the correct answer. Words showing sequence

Вот предложения с выбранными словами:

1. We'll continue the investigation until we find the murderer.
2. I turned on the light as soon as I arrived.
3. Amy left for work after she had breakfast.
4. Helen waited until it got dark.
5. She ran to the police station after she saw the thief.
6. Please turn off the computer when you leave.