Harbin is an interesting city with a very _(color) history

问题描述:

Harbin is an interesting city with a very _(color) history

colorful
very后面接的是形容词,所以应该用color的形容词形式:colorful,意思是五彩缤纷的,就是说哈尔滨的历史很丰富,很多样.
are you clear?!