1,How are you?
2,Nodding means agreement
3,Smile to me.
4.It is hot so it's better for you to take off your hat
5.The army saluted to the national flag
6.She gave him a kiss on the cheek
7.Hug me,if you love me
8.If you want to know the truth,you just look into the eyes of the children
9.Shaking hand is a way to greet people
10.If you want to be polite,get off the bike when you greet someone