You think who can tell you --------- your future?应该填什么?

问题描述:

You think who can tell you --------- your future?应该填什么?
能说为什么是about吗?

I think both "about" and "in" just be ok.
分析你的句型结构,在你的句子中差个介词,不是吗?而介词是在了解句意的基础上,加的!