题目

 People around the world celebrate the new year. However, not all countries celebrate in the   46    way. When it is the New Year, people celebrate for several days. In some countries, the New Year is not on the same date every year. It can depend    47    the seasons, the moon or the sun. In many countries, New Year begins on January1st, but people start celebrating on December 31st, New Year’s Eve. In New York, many people go to celebrate in Times Square. While they’re waiting for the New Year, they    48    music, sing traditional songs and have fun. Just beforI must finish the work ______ I go home． 　　A．before　　B．when　　C．until D．if