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Dear Mr Smith,
Thank you for your 1 _______ of 21st March, 2006. We are pleased to acknowledge your order for 1000 men’s shirts and enclose the copy of it, duly signed, as 2 _______. Delivery will be made immediately on opening a letter of 3 _______ with our bank for amount of $ 50,000.
We hope our dresses will be in great demand in 4 _______ and you will be able to place large orders with us in the future.
Yours faithfully,
John Green