What made him puzzle was the plural forms of nouns

What made him puzzle was the plural forms of nouns Summarize the plural forms of countable nouns 马上要的, 中文翻译\\write the plural form of the following nouns Choose the plural forms of the following words 英文练习难题(6)A.Do you know the plural form of these nouns?Singul What is the plural form of cat? 关于英语的plural of nouns ending in 0 什麽是plural nouns plural nouns怎么读 Singular and plural nouns Complete the following passage with singular or plural nouns circle the past forms of verbs in the crossword puzzle.then