9. Immediately after he got to Wuxi, he wrote to me.

他一到無錫就給我寫信了。

還能這樣說：

He wrote back to me as soon as he arrived in Wuxi.

The instant that he reached Wuxi, he wrote to me.

應用解析：

immediate cause 直接原因；

immediate family 至親，直系親屬；

take immediate action 采取緊急行動；

immediate reply 立即答復

10. I'm looking forward to hearing from you soon.

望早日回信。

還能這樣說：

Please reply at your earliest convenience.

Please write back as soon as possible.

諺語：

Fear always springs from ignorance.

恐懼源于無知。

11. How long has it been since you've heard from your sister?

從你上次接到你姐姐的信以來有多長時間了？

還能這樣說：

How long have you had your sister's last letter?

How long didn't you hear from your sister after she wrote to you?

應用解析：

Hear and tremble!

好好聽著，牢牢記住！

12. I enclosed some photographs in my letter.

我在信里夾了幾張照片。

還能這樣說：

There were some photographs in my letter.

I put some photographs in the envelope.

應用解析：

the enclosed 附件；

half enclosed 半包封的