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Dear Sirs,
I am writing to your office to attempt to determine why I have encouraged so many obstacles to receiving my proper monthly social allotment. (1) The trouble occurred ten months ago and has actually gotten worse, making extremely difficult for me to meet normal financial obligations. (2) The first problem which I had to deal was simply getting a monthly check from you, without having to wait for four or five extra weeks for it. Then two of the checks that have arrived (3) made out for the wrong amount, giving me fifty dollars fewer than I should have received. (4) Another check was mailed to me at an address, which I moved more than two years ago. (5) My letter of inquiry, which I sent to the Los Angeles Office of the Social Security administration, never brought the answer, and when I finally telephoned them I was able to talk with an arrogant clerk (6) from the tone of his voice I could tell that

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Letter One
Dear Sirs,
Your delay in delivering the carpets ordered on July 2nd is causing us considerable inconvenience, and it threatens the loss of one of our best customers, for whom they are intended.
We are likely to receive a standing contract from this order, but a delay in delivery might well prove fatal (致命的) to our chances. It is not enough, therefore, for you to inform us of the approximate date when delivery could be affected; we must insist on an unconditional guarantee that the goods will be delivered by July 13th. Further, it is important that you lose no time in conveying this information to us.
Yours sincerely
Letter Two
Dear Sirs,
It is with regret and a certain amount of surprise that we find you have not yet delivered the goods ordered two months ago.
As your representative’s promise to affect prompt delivery was an important factor in our placing this order with you, we must i

[单项选择]Dear Sirs,
Your shipment of twelve thousand ’Smart’ watches was received by our company this morning. However, we wish to make a number of complaints concerning the serious delay in delivery and your failure to carry out our specific instructions with regard to this order.
It was stressed from the beginning that the delivery date had to be less than six weeks from the initial order in order to meet our own customers’ requirements. While we understand that delays in production are occasionally inevitable, we must point out that the major reason why the order was placed with your company was because we were assured by you of its speed of delivery, and that your existing stocks were sufficiently high to ensure immediate shipment. Late delivery of the goods has caused US to disappoint several of our most valued customers, and is bound to have a negative effect on potential future orders.
The second complaint concerns the difference in color between the watches we ordered and
A. Yourssincerely,
B. JohnSmith