`1` When is New Year's Day celebrated?
Vì on the first day of the new year là chỉ thời gian `to` when.
`2` What are there on New Year's Eve?
vì fireworks(n) là chỉ cái gì `to` what.
`3` How do people celebrate New Year's Eve at the stroke of midnight as the New Year starts?
`4` Who do people often spend New Year with to remember and honor their ancestors?
vì ta thấy with là thường cungf với ai đó `to` who.
`5` Why does every family thoroughly dean the house?
vì nói ra lí do dọn dẹp nhà cửa `to` why.