| 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. |
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This article is mainly about 5______ | |