the boy eats an apple的吃为什么加s

the boy eats an apple的吃为什么加s a man eats an apple eat为什么要加s An apple a day keeps the doctor away为什么doctor不加s An apple a day keeps the doctor away .中的Keeps为什么要加S? He gave the boy an apple 请问这句英语,He eats another apple 中的eat为什么要加S 还有我可不可以 There is an apple in the boy's hand.（同义句） I like apple,apple为什么不用加an please give the boy an apple 同义句 please ___ an apple ___ the 英语中"我喜欢吃苹果"怎么说?apple还要加"s"吗?为什么? He eats in the classrooms为什么翻译中eat不加s 1、That is an apple.改为一般疑问句 ------ -----an apple?The boy in b