Fill in the blank with an appropriate option. Your ear has three main ______: outer, middle and inner.

parts

The appropriate option to fill in the blank is:

☀ parts

Explanation for all options:

1. Parts: This word is the correct choice, as it accurately describes the divisions or components of the ear mentioned in the sentence.

2. Subjects: This word doesn't fit the context. "Subjects" refers to topics of discussion or areas of study, which doesn't relate to the divisions of the ear.

3. Plugs: This word doesn't fit the context. "Plugs" are objects used to block openings or create seals, which isn't relevant to the divisions of the ear.

4. Events: This word doesn't fit the context. "Events" refer to occurrences or happenings, which is not related to the divisions of the ear.