1. By the end of August they made a lot of money.2. By the end of the year, they defeated the enemy fleet.3. He reminded me about this development after John left.4. We burned the dry leaves before the snow fell.5. Rainbow appeared in the sky after the rain stopped.6. She had cut flowers before we came to the greenhouse.7. Dodo-an extinct species of ptih. They disappeared after people started to hunt them.8. The fire destroyed the building before firefighters arrived.9. Miss Marple has solved a complex problem before it could do by the police.10. Little Robert had ruined a new toy before dad explained to him how to handle it.