Grife a opção correta do verbo TO BE a)_____ is twelve years old (we/l/it) b)how is Sam?_______is fine.Thanks (They/she/it) c) Y dog is bur yers old__________is four (it/you/he) d)_______are eleven. (we/it/he) e)who am_______? (we/she/l) f)how old are________? (They/e/l)