—it's a long story ,but you can hardly find any new words in it.__good! __ it will be too hard for children. so and but or 为什么选OR 而不是but

问题描述:

—it's a long story ,but you can hardly find any new words in it.
__good! __ it will be too hard for children.
so and but or 为什么选OR 而不是but

or 比 but 委婉