大学与学校非常不同。

University is very different ___from school.

他的观点与我的观点几乎不可能更不同了。

His opinion could hardly be more different ___from mine.

这两姐妹如此相似，以至于几乎无法区分彼此。

The two sisters are so similar that it's almost impossible to tell one ___from the other.