Are these ... keys? 1)you 2)his 3)theirs 4) him 5) your. (Может быть 2 или 3 варианта)

Question

Are these ... keys? 1)you 2)his 3)theirs 4) him 5) your. (Может быть 2 или 3 варианта)

Answer 1

Are these ... keys? 2) his 5) your.