Переделайте предложения, употребляя герундий с предлогом. Пример:Не read the letter and hid it/on => On reading the letter he hid it.
1. She said it and turned red/on
2. First read the instruction and then open the box/before
3. When I came to London I decided to call on my friend at once/on
4. He took a decision and felt better/after
5. He entered the room and greeted everybody/on
6. First read the book then see the film/before
7. He left the house and took a taxi/on
8. He did his morning exercises and then took a shower/after
9. He arrived at the airport and registered/on
10. He took a ticket and got on the train/on