We shold try to ___ every custom or tradition which is in danger of dying out
a . collect
b . preserve
c. act out
d . make
A large number of enthnic people in the moutains are still___. They can't read or write
a . traditional
b . poor
c . tradition
d . illiterate
Vietnamese people follow the __ that elderly grandparents and parents are taken care of by their children until they die
a . behavior
b . pratice
c . custom
d . tradition