Questions 1-4 refer to the following advertisement.

My name is Emily Watson and I am in charge of this year's Talent Show Committee. The Committee knows Gregson School is full of talent, but not everyone likes to be on stage. The performers are not the only ones who make (1)..... Student volunteers allow parents, teachers, and students (2).... the show. Anyway, we are looking for people to volunteer for stage crew. Also, last year, we made some students (3).... the set. We'll have volunteers (4).... in the talent show's program. If you're interested in volunteering, please e-mail the committee at talent@gregson.com by March 28th.