Please send this parcel off special delivery.请用快递寄送这个包裹。

今天的几个句子是发生在邮局的：1.I'd like to send this letter registered.我想挂号邮寄这封信。2.This letter is ten grams overweight.这封信超重10克。3.How much postage does it need?寄这一包裹需要多少邮资？4.Do you want it insured? 给它保险吗？