What is it 改为复数形式

What is it 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 What is that?改为复数形式. It is a dictionary改为复数形式 It is a watch.(改为复数形式) is it a bus改为复数形式 It is a photo.(改为复数形式) Here it is.改为复数形式 It is my pen.(改为复数形式) whose coat is it?改为复数形式, what is it?改为复数句子 what colour is it改为复数句 what color is it?的复数形式 what make is this clean car?it's ford 改为复数形式 What is it?It is a leaf 改为复数句 What is that?itis a pen改为复数形式 what is that over there?(改为复数形式）快! What color is the woman's skirt?(改为复数形式)