(Reply to A Complaint Letter投诉信回复) Dear Mr. Walters, ____________1._______________(感谢) your letter of November 15. We are so sorry that the goods you______2.________(收到) have not been supplied correctly. It might have been an error during shipment. We will make up the shortfall ______________3.______________(尽快), and promise that such things ______________3.______________________(不会再发生). Please __________4.________________(接受我们的歉意) for the inconvenience it has caused. Yours sincerely, Wang Yi Wang Yi Customer Service Manager