短文填空,然后从各个小题所给的A、B、C、D四个选项中选出最佳选项。 Dear Mr. Smith, Please accept my sincere apology for delivery of the wrong product 1 a clerical error.We’ll 2 the product you ordered as soon as possible.We will also pay for the shipment.To 3 to you,we’ll send you a voucher you could use the next time you shop at our store. I sincerely 4 again,and I assure you that this type of incident will not happen again. 5 . Yours truly, Chris Wang