Completar frases Questions with "be" (D)Versión en línea This exercise will help you practice the verb "be" in different questions. por YAZMIN CARMONA GARDUNO 1 are Is Are is Is are 1 . How old your mother ? 2 . How old your friends ? 3 . your friends single or married ? 4 . Kate single ? 5 . What your parents' names ? 6 . your friend interested in music ?