His group kept up a campaign of pressure on the Museum to stop the research.

That way he kept up to date on the events behind him.

I try to keep up on the current events, reading the paper, listening to the news.

It was the only way he had to keep up on fields other than his own.

You can't keep up with the status of your friends on the social networks.

For those nations, they simply want to keep up on the latest technology.

I didn't know people like us even kept up on it.

But how would they keep up on the way back to the city?

Not everyone keeps up on the music scene, after all.

"Let's see if you can keep up with me on the dance floor."