To prevent hijacks, all carry-on baggage is carefully inspected.

I'll do it later on.

As the day went on, the weather became hotter and more humid.

I think I'm ready. Just knock on wood.

I wonder what goes on in his mind when he's silent.

Please turn off the lights on your way out.

If you want to become thin, you should cut back on the between-meal snacks.

The country is on the brink of a shooting war.

California and Nevada border on each other.