I was rereading the letters you sent to me.

Why is it you can write a letter in English this well, but can't speak in it?

I glare resentfully at the crimson letter, is this the infamous red-paper draft notice?

I keep in touch with my parents by mail.

I have just received a letter from a friend saying that she is coming to see me next week.

I wrote her a letter every day.

He sent me a letter to the effect that his poultry farm would go bankrupt sooner or later.

The postman delivers letters every morning.

I received a letter from my friend.

My friend sent me a letter asking how I was.

The point is whether she will read the letter or not.

The point is whether she will read my letter or not.

The point is whether he will read the letter.

I will write to her tomorrow.

Please remember to mail this letter on your way to school tomorrow morning.

I want to have this letter translated into English by tomorrow.

Mail this letter tomorrow morning.

Remember to mail this letter tomorrow morning.

My sister never fails to write home once a month.

I heard from my sister. The letter says she is well now.