Can you give me 20 examples of using synonyms with sentence?

Certainly! Here are a few examples using synonyms in sentences:

1. The happy child played in the park. (joyful)
2. She was frightened by the loud noise. (scared)
3. The quick runner finished the race first. (fast)
4. He made a mistake on the test. (error)
5. The beautiful sunset captivated everyone. (gorgeous)
6. They had a difficult time solving the puzzle. (challenging)
7. The old building was full of history. (ancient)
8. She gave a brilliant performance in the play. (Excellent)
9. The small dog barked loudly. (tiny)
10. He had a generous heart, always helping others. (kind)
11. The strong wind knocked over the trash cans. (powerful)
12. She wore a fancy dress to the party. (elegant)
13. The silent room was filled with tension. (quiet)
14. He offered a simple solution to the problem. (easy)
15. The tasty meal was enjoyed by all. (delicious)
16. The bright star shone in the night sky. (luminous)
17. She felt satisfied after finishing her work. (content)
18. The young couple bought their first home. (newlywed)
19. His strong opinion sparked a debate. (firm)
20. The curious child asked many questions. (inquisitive)