写信！

　　586. How long has it been since youve heard from your uncle?

　　从你上次接到你叔父的信以来有多长时间了?

　　587. When was the last time he wrote you?

　　他最后一次写信给你是什么时候?

　　588. I cant recall how long its been.

　　我回忆不起来有多久了。

　　589. Im always disappointed when I dont get any mail.

　　接不到任何邮件时，我总感到失望。

　　590. I feel guilty because I havent written her lately.

　　我感到内疚，因为我近来一直没有写信给她。

　　591. What time is the mail delivered on Saturday?

　　星期六的邮件是在什么时间投送的?

　　592. The postman always comes at 2 oclock.

　　邮递员总是两点钟来。

　　593. I wrote to my uncle last night. I couldnt put it off any longer.

　　昨晚我给叔叔写了信。我不能再拖延了。

　　594. I enclosed some photographs in my letter.

　　我在信里附了几张照片。

　　595. I didnt know whether to send the letter airmail or not.

　　我不知道这封信是否要用航空发出。

　　596. How long does it take for a letter to get to California?

　　往加利福尼亚州寄信得多长时间?

　　597. Dont forget to put stamps on the letter before you mail it.

　　发信前别忘了贴邮票。

　　598. He went to the post office to mail a letter.

　　他到邮局寄信去了。

　　599. I dropped the letter in the mailbox on the corner.

　　我把信投入拐角处的邮筒里。

　　600. How did you sign the letter? Did you write, Sincerely yours?

　　你在信上是怎么署名的?你写上忠实于您的了吗?