BEC中级写作指导之轻度抱怨

BEC中级写作指导之轻度抱怨：

Unfortunately, + 表 示 something is wrong 的 句 子

环境：

A company has sent you a bill for the wrong goods.

Unfortunately you sent us a bill for the wrong goods. Please could you send us a correct bill as soon as possible.

Your new photocopier has broken down. You have to write to the company who sold it to you.

Unfortunately our new photocopier has broken down. Please could you send a repairman to fix it for us as soon as possible.

Two temporary secretaries do not speak English. You have to write to the agency who sent them to you.

Unfortunately two temporary secretaries you recommended to us do not speak English. We would be grateful if you could recommend two more who could speak English.

You keep receiving letters for someone else. You have to write to the post office.

Unfortunately I keep receiving letters for someone else. Please could you make the address clear before you deliver letters every day.