Answer:
We
Step-by-step explanation:
Us is the objective form. It completes an object of a verb or the object of a preposition
He went with us. (object of a preposition)
He slid past us while we went down the hill.
Our is possessive. Our owns something.
We spent our time doing crossword puzzles.
The correct answer is We.
This is the subjective form.
We adopted a kitten.