Вставьте правильный вариант
1. His hair...(is/are) black. He wears..(it/them) long. 2.1 don't remember if Helen's hair..(is/are) short. 3. Whose hair.. (is/are) red?-(It/They)... (is/are)... Mike's. 4. My dad has beautiful hair. (It/They)...(is/are) thick and curly. 5. What colour (is/are)... your grandfather's hair?-It (was/were)... black, but (it/they)... is white now.