I lost my school today.The _ of the schoolbag is black.(只填写一个形式正确、意义符合的单词)

问题描述:

I lost my school today.The _ of the schoolbag is black.(只填写一个形式正确、意义符合的单词)

填写:colour(颜色)
我今天丢了我的书包.我书包的(颜色)是黑色的.不是color吗是colour,也可以缩写成color