1. You must be careful when you open the door.
2. The countryside looks very colourful now.
3. That was a very cowardly thing to do!
4. He has a daily routine of exercises.
5. She was doubtful when I told her my plan.
6. It was very foggy so I drove slowly.
7. It's nice meeting such a friendly person.
8. He looked very funny in that hat.
9. They saw a ghostly figure at the castle door.
10. Working on the car made her hands greasy.
11. Let's go for a walk in the fresh healthy air!
12. We're hopeful that they'll agree to come.
13. Seeing all that food made me very hungry.
14. She married a successful businessman.
15. He looked thoughtful when he heard the news.
16. This map was very useful on my holiday.
17. It was wonderful to see him again.