1) My little sister has beatiful hair t/they) is/are) thick and curly. 2) Ben's hair (is/are) thick and curly. He wears (it/them) long. 3) (Is/Are) Ron's hair dark or fair? I can't remember. 4) What colour (is/are) your uncle's hair? (It/They) (was/were) dark when he was younger. But now (it/they) (is/are) white. 5)Whose hair (is/are) red? Alice's. She has beautiful red hair. 6) In the old photos my mother's hair (look/looks) very beau tiful. (It/they) (is/are) thick and curly