Choose A, B, C,or D to complete this passage: Tet or the lunar new year holiday is the (21)........ important(22)...... in Vietnam. Tet is a (23)........ festival(24)................. occurs in late january or early february. It (25) .........a time for families to clean and decorate their houses , wear new (26) ............. and enjoy (27)................... meals such(28)........ sticky rice cakes. Family members(29).......... live apart try to be together(30)........ tet. ...