Fill in the blank with correct Adverb:-

Valery runs the _____ of the three of us.

fastest

The correct answer is Option (1) → fastest
So, the completed sentence is:

"Valery runs the fastest of the three of us."

Explanation:
- "Fastest" is the superlative form of the adverb "fast."
- It is used to compare Valery's running speed with that of the other two individuals, indicating that Valery runs at the highest speed among them.