The letter's urgent and I have to get off to work.

I had an urgent letter for London, with some documents included.

Well, I'm actually trying to deliver a very urgent letter which we have had some trouble in getting through the system.

It was an urgent letter, asking for an immediate response and suggesting a visit.

A private word with him can be worth ten urgent letters from the Navy Board!

He also sends an urgent letter to the Colonel asking him to return home as soon as possible.

They replied with an urgent letter: 'Don't say that in public/ and he didn't.

I found rd run out of envelopes and I had an urgent letter to write.

In life, the most urgent letters usually go unanswered.

After this decision Tess wrote an urgent letter to her mother.