8r. EL PLURAL DEL SUSTANTIVO. THE PLURAL OF NOUNS (Tema III, desde la página 27 hasta la pagina 33 de Gramática Inglesa para Estudiantes Españoles)

8r) Change the words in brackets into the plural form (Capítulo III, desde la página 27 a la página 33 de Gramática Inglesa para Estudiantes Españoles):

8r) Change the words in brackets into the plural form (Capítulo III, desde la página 27 a la página 33 de Gramática Inglesa para Estudiantes Españoles):
1. It was like the (hero) in books, like Captain America in the comics
2. He was not aware of the (torpedo’s) proximity
3. I was working on the (design) of the (zoo)
4. (She is a pretty nice lady)
5. The (kid) opened the (toy) anxiously
6. The (Swiss is) trying to get her a cellmate
7. The (oasis sustains) nomadic bands of wild horses