My sister had beautiful black long _____ but I could see some white _____.

A. hairs, hair  B. hair, hairs   C. hairs, hairs D. hair, hair

My sister had beautiful black long _____ but I could see some white _____.

1. A.
   hairs, hair
2. B.
   hair, hairs
3. C.
   hairs, hairs
4. D.
   hair, hair