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

8o) 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):

8o) 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. The (cry) came from somewhere above us
2. The (box is) in our workshop downstairs
3. The (bus was) waiting at a railroad crossing
4. The (calf was) vaccinated and the herd is branded
5. They were standing on top of (that cliff)
6. The (woman) at the bar looked pretty
7. The (mouse) came out to play