Words that sound like one another but have different meanings are called homonyms. Select the most appropriate homonym for the following sentence.
Which _______ are you taking this year?

Course

The correct homonym for the sentence "Which _______ are you taking this year?" is course.

The words course, coarse, and corse are homophones, which means they sound the same but have different meanings. The word course refers to a series of lessons or instruction, or a path or route. The word coarse refers to something that is rough or lacking in refinement. The word corse is a variant spelling of the word corpse, which refers to a dead body.

In the sentence "Which _______ are you taking this year?", the word course is the most appropriate homophone because it refers to a series of lessons or instruction that a student takes in school. The other homophones, coarse and corse, do not have the same meaning and would not make sense in the sentence.