Here are the appropriate fill-in-the-blank answers for the statements regarding plural formation in Spanish:
- If a noun ends in a vowel (not "bowel"), make it plural by adding -s.
- If a noun ends in a consonant, make it plural by adding -es.
- If a noun ends in -ión, add -es and drop the written accent.
- If a noun ends in -z, add -es and change the z to c.