what color is this?的回答

what color is this?的回答 what color is this what color is your hair的回答 what color is this pen的回答可不可以是It's a red pen What color is this apple? what color is it回答 What's this color?=------- --------is it? what color is this这句话是什么意思 What color is this pen?是否正确? What's color is this?.改错 color is what this 连词成句 what color is the quilt 怎么回答