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 am are is She a pilot . 3 is are am They servers . 4 is are an I am architec t 5 am is are We illustrators . 6 is am are John a designer . 7 are am is They chefs . 8 a an He is singer .