Challenger App

No.1 PSC Learning App

1M+ Downloads
Once ....... a time, there was a beautiful princess.

Aupon

Bonto

Con

Dbetween

Answer:

A. upon


Related Questions:

I am pleased ________ my son's progress in studies.
There's a dirty mark ..... the wall.
You must comply ______ the rules Choose the correct preposition .
They were superior _____ the Sabbath.
___ I had known how much I would disappoint him, I wouldn't have done it.