Contact can be as simple as sending everyone a friendly reminder through office e-mail, phone calls, or a post card reminder through the mail.
举一反三
- In the post office mail is ______ (classification) according to the places where it is to go.
- Men in the post office ______ (class) mail according to places where it is to go.
- Jack's job in the post office is to c__________ mail according to places it is to go.
- Contact with family through the phone or over email is useless now.
- 与电子邮件系统有关典型协议有：简单邮件传输协议SMTP（Simple Mail Transfer Protocol）、邮局协议第3版（post office protocol）、Internet邮件访问协议第4版IMAP-4（interactive mail access protocol）