Trả lời : 
1 => There is a tradition that English people follow of drinking a lot of tea.
2 => Last year we broke the tradition and went to Thailand on Tet holiday.
3 => The Vietnamese have the custom of worshipping ancestors.
4 => It is the custom for Vietnamese parents to have celebrate their baby's first month.
5 => According to tradition, there is a celebration of the Mid-Autumn Festival every year in Vietnam.
6 => The Ok Om Bok Festival is organized in October.
7 => It is a good idea that we should hand bowls with both hands.
8 => It is better that we wait for the host to start eating.