What would be the plural form of the word thief and why?

What is the meaning of the word checking as it is used in this sentence from the second paragraph of the passage?

On what evidence did you base your predictions? check the four boxes that apply. there is a rope around his neck. he is in alabama. his hands are tied behind his back. he is standing high above a river. the bridge is for railroads. some crimes are punished by hanging.

30 points and brainliest what can you surmise about keats’s theories of art by reading “ode on a grecian urn”? no multiple choice