Change

This is a desperate situation which requires a truly ... solution.

Crude oil is industrially...to purify it.

There has been a real ... in attitudes towards this lately.

Is your research based on other people's work? "Some of it. Well, there's no point ............ ...., is there?'

I wish Terry wouldn't be so thoughtless all the time." I know, but ....., you know

Youll regret it if you ... in annoying people like that.

You'll regret it if you don't make a copy of ... your important data.

There are those who would ... the facts to serve their own political ends

Twelve thousand years ago, our ancestors were ... savages living in caves

"I therefore write to urge you to ... on educational reform".