我无法想象出比这日出更美的事物了。

I ___cannot ___conceive ___of anything more beautiful than this sunrise.

她很难想象一个没有科技进步的未来。

It's hard for her to ___conceive ___of a future without technological advancements.

他们无法想象在那样极端的条件下生存。

They could not ___conceive ___of surviving under such extreme conditions.