Chọn đáp án đúng

giúp vs ạ
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1.Tet is a
_holiday in Vietnam.
B. lunisolar
2. Vietnamese New Year is based on_.
A. crucial
C. unpopular
D. uncommon
A. the Vietnamese calendar
B. the lunar calendar
C. Chinese culture
D. New Year celebrations
3. Tet is celebrated at least_
A. one day
B. two days
C. three days
D. a fortnight
4. Tet
A.has the same custom throughout the country
B.has different customs, which are up to region and religion
C.is not celebrated throughout the country
D.is at the end of spring