听短文,根据短文内容,完成表格。短文读三遍。 In China, according to child's choice on his 2nd birthday, it will tell us the child's 1______ in future. In Mexico, girls have a special birthday celebration at the age of 2______. In many places, you can have right to vote and 3______ the army when you reach the age of 18. In many English-speaking 4______, it's a tradition to put a key on the 21st birthday cake. This article is mainly about 5______