Câu 620 : a. Next, you will be shown where to sit but always wait for the elderly to sit first. b. If you visit Vietnam, there are some cust...

Câu 620 :

a. Next, you will be shown where to sit but always wait for the elderly to sit first.
b. If you visit Vietnam, there are some customs that you should remember.
c. First, when entering someone's house, ask if you need to take off your shoes and leave them near the door.
d. You could be offered some drinks from the host, so accept them to show your politeness.
e. Then, you should greet the older members of the family first.
f. In short, the customs seem complicated at first, but you'll remember them with gradual practice.

A. 

B. 

C. 

D.