The colour b_____ is used often in expression

The colour b_____ is used often in expression what is b_____ the office? Blue is the Colour The story is rather b_____.Most of us feel b_____ The book is a b_____ of knowledge. The boy in b_____ is so f______. Oh,the blue sweater is very b_____. 填空：Mike is b_____ the door. is the colour of my what colour is the bear? What colour is ts the is the colour of my what colour is the bear Blue-is-the-colour是什么意思 it is the easiest colour on the purple is the colour of the season What colour------(is,are)the monkeys? what colour is the pear的意思