what color is it中的color充当什么成分?

what color is it中的color充当什么成分? what color is it What color is it what color is it What color is it what color is it what color is it回答 what is the color与what color is it 区别 ( )is that pen? -------It's black. A. How co( )is that pen?-------It's black.A. How colorB. What colorC. What's colorD. What color What color is it?意思是什么 color,what,it,is(连词成句)(?) what Color is it ?用英语回答 What is it color?为什么不行 what color is it=( )同义句 what color is it?的复数形式 What color is it怎样变复数? What color is it? 翻译是什么 what color is it?是什么句?