what color is it?的复数形式

what color is it?的复数形式 What color is it怎样变复数? Whai color is it?的复数是什么 what color is it What color is it what color is it What color is it what color is it 如何使用What color is it?句子的单复数形式变化 what color is the book 的复数形式是什么 what color is it回答 what is the color与what color is it 区别 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 color is it的英文同义句 What color is it?的同意句是什么 what color is it的回答,It is green还是It is Green what color is it中的color充当什么成分? what color is your book 和 what color are you books 这两个句子的be 只是看主语是否复数吗?还是要看人例如what color is his books 还是用 what color are his book