Fill in the Blanks Fill in the Blanks Be Verb and Indefinite PronounOnline version Good practice for Be Verb and Indefinite Pronoun by Hi English Center 1 an a William is driver . 2 is are am She a pilot . 3 are am is They servers . 4 is an are I am architec t 5 is am are We illustrators . 6 are am is John a designer . 7 is are am They chefs . 8 an a He is singer .