Understanding Plural Forms in English Grammar

The correct plural form of the word 'book' is 'books', as it is the standard way to indicate multiple copies of a book.

The correct answer is 'cups' as it is the plural form of 'cup'. The other options are not related to the plural form of the word 'cup'.

In English, to make a noun plural, 's' is typically added to the end of the word. Therefore, the correct plural form of 'table' is 'tables'.

The correct plural form of the word 'car' is 'cars', as it follows the standard English pluralization rule.