How to write an address in a pen pal letter?

If you want a reply, yes, because, otherwise, nobody will know where to reply.

No matter the person's rank, the address formatting is the same. In fact, it's fine to exclude the person's rank altogether.

Dear Mom/mother (whichever you prefer), Thank you for all of your support and guidance. I couldn't have asked for more from you, for all you've done. Merry Christmas and a...

Unless the letter contains personal information, it is appropriate to let others read it, as a Christmas letter is an extended form of a Christmas card.

Ask her several questions and tell her anything interesting that happened to you.

You can use a fake city or state. Family Guy was set in Quahog, Stranger Things was set in Hawkins, Gravity Falls was set in, well, Gravity Falls. All of...

Both of those options will work, although including the unit number on the street line is preferred.

There are probably a lot of things you shouldn't say, but some basics to avoid are getting too personal too fast, asking them personal questions, or just coming on too...

If you are using a pen pal service, you'll likely get some people who choose you. But it is easier to pick people out and initiate with them.

Boot up a Ubuntu live CD install and go into try without installing, then when it has started up, go to parted, find the partition with Ubuntu on it and...