What is the plural form of cat?

What is the plural form of cat? 中文翻译\\write the plural form of the following nouns write the plural form of the following wor What is the abbrivation form of adjective? What is the abbrivation form of adverb? Change the following sentences into plural form. What made him puzzle was the plural forms of nouns What is the conception of every form of business? Change the single form of the follwing words into plural for Write the plural form of the following words 跪求汉语意思 急 英文练习难题(6)A.Do you know the plural form of these nouns?Singul what letter is a form of the verb "to be"