When a writer does not know who performed the action in a sentence, the writer can still write a grammatically correct sentence by using the active voice.
using the passive voice.
ending the sentence with an infinitive.
ending the sentence with a preposition

Read the presentation assignment. the intended audience for this presentation is a group of research four in-state colleges. learn about each school including its location and population. then gather information about the courses of study offered at each school. you should also collect other interesting facts, such as school colors, mascots, and athletic offerings. you will present a speech to your classmates that explains your findings, and we will save the results. this information will be of great value in the next few years. college professors. college students high school teachers. high school students.