-You should use both hand to recieve from adults.

-You should wash your hand before eatting.

-You should drive on the right in Vietnam

-You should cross your arm when thanks others who have higher age than you.

-You shouldn't play football on road.

-You shouldn't misbehave with others people.

-You should go to sleep before 10p.m

-You shouldn't talk with a mouthtul

-You should decorate your house before Tet 1 or 2 weeks

-You shouldn't sweep the floor in Tet.

*Câu có thể chưa hay,mong bạn thông cảm <3*