Jawaban

1. He is the best friend I ever have.
2. Silver is cheaper than gold.
3. They are very upset with the result.
4. It was the worst moment in her life.
5. She is the tallest student among 8th grade.
6. It is a pleasant as a greeting card.
7. January is the coldest month in the year.
8. How is your brother to day? Is he better?
9. She is very intelligent.
10. The fact is that cold is more harmful than heat.

Penjelasan

Base adjective - Digunakan jika tidak ada hal yang dibandingkan, atau hal yang terbesar / terkecil.
Comparative adjective - Digunakan untuk membandingkan 2 hal.
Superlative adjective - Digunakan untuk menunjukkan bahwa suatu hal adalah yang terbesar / terkecil.

Contoh -
Base adjective  : good
Comparative adjective : better
Superlative adjective : best

Contoh kalimat -
Base adjective : Its the worst meat in the restaurant.
Comparative adjective : Magnus Carlsen is better than Hikaru Nakamura.
Superlative adjective : Chess is the best game.