on

He was educated at a local grammar school, _____ he went on to Cambridge.

The governor pays too much attention on his public ______

If you _____ on breaking the law, you will go to prison

A large_______ of money is spent on advertisements every year.

The heavy rain stopped us _______ at the station on time

Since China has entered the WTO, the ______ on foreign businesses will gradually be reduced.

It is impossible for us to hear everything ____ is going on in the world

We’ll go on with the experiment ____he approves ____disapproves.

______ he was tired he went on working

There is a group of ________ on the left of the painting