英语句的复数形式What is this?It is a desk.改为复数形式

英语句的复数形式What is this?It is a desk.改为复数形式 her的复数形式怎么写This is her handbag.这句英语的复数形式怎么写? 英语What's this?的复数形式是? 帮我把英语句子化成复数形式!What's this in English?What's this?What color is it? what是第三人称单数吗 what is this 复数形式 What's this 的复数形式 What is this It is a photo.变为复数形式 What is this? It is a box.复数形式 this is my feiend 的复数形式 This is her book的复数形式 Is this your umbrella?的复数形式 this is my ear的复数形式 what color is it?的复数形式 what is you name的复数形式 what;s this的复数句 英语复数形式it this a book,it is a pen,there is a book,以上改成复数形式.those are chair,what are these,以上改成单数is,coat,his,where连词成句，pen,book,watch,foot,man,woman,family,boy,child,girl复数形式，用正确形式 This is a horse.变该句为复数形式 写出下列句子的复数形式this is my book.is that your sister?that is my baseball.is this your friend?what's this in english?