Mailing a Letter at the Post Office

我想给朋友送一个礼物。

I want to send my friend a gift.

上午我去了邮局。

In the morning I went to the post office.

我也写了一封信。

I also wrote a letter.

服务员告诉我，三天就能到。

The clerk told me it would arrive in just three days.

我的朋友一定会很高兴。

My friend will surely be very happy.