1. Our relationship is based on respect.  (mutuality)

2. Thank you so much for the flowers. It's very of you.  (thought)

3. The of the building took two years.  (CONSTRUCT)

4. Ben sulks like a child when he doesn't get his own way. He's so .  (mature)

5. Her was evident in every task she undertook.  (PROFESSIONAL)

6. His makes him a good leader.  (DECIDE)

7. You need to the final point of the presentation. It's rather confusing.  (clear)

8. The mark occupies 20% of the overall score, so students better not to miss the classes.  (attend)

9. People fled from the explosion in .  (terrify)

10. We all have great for the victims of the flood.  (sympathize)