ประโยคภาษาอังกฤษที่ใช้ในการทักทาย

http://englishbykrusem.blogspot.com/2016/09/greetings-and-responses.html?m=1

I think greetings can be used in many different ways.  which includes both a polite greeting  and informal greetings  You can learn more at the link.  I think this content will be for many people.