1.
Haven't you dealt with that letter yet?
那封信你答覆了吗?
2.
Does the letter demand an immediate answer ? ie Must it be answered at once ?
这封信需要立即答覆吗?
3.
Did she show that infamous letter to you?
她给你看了那封不名誉的信了吗？
4.
Have you got the letters I sent you?
我寄给你的那几封信收到了吗?
5.
He neglected to reply to the invitation.
他忘记封那邀请作答覆。
6.
A reply to this letter is mandatory.
这封信非答覆不可。
7.
Have you sent that letter off yet? There's something I want to add to it.
你把那封信寄出去了吗? 我还想再附上一句话.
8.
Have you had an answer to your letter?
你那封信有回音了没有?
9.
You wrote some letters to your friends last month, didn' t you ?
上月你写了几封信给你的朋友，对吗？
10.
Can you make head or tail of the letter?
你看得懂这封信封吗？
11.
Remind me to answer that letter.
提醒我回覆那封信.
12.
By the way did I tear up that envelope?
还有，我把那信封撕掉了吗?
13.
The letter is too long.Can you shorten it a little?
这封信太长了。你能把它缩短一点吗？
14.
What else did you do besides writing/ write the letter?
除了写了那封信外，你还干了什么？
15.
Can you furnish a letter of recommendation from the firm you worked for?
能从你工作过的那家公司拿一封推荐信吗？
16.
Do you sell stamps (envelopes)?
你们出售邮票（信封）吗？
17.
Do you mind posting a letter for me?
你能帮我寄封信吗?
18.
Can you decipher this letter?
你能解读一下这封信吗？