阅读下面短文，在空白处填入1个适当单词或括号内单词的正确形式。
Christmas is the biggest festival in Britain and is celebrated __1__ 25th December. The four weeks before Christmas __2__ (call) Advent (基督降临节) and are __3__ (traditional) celebrated in churches (教堂) by lighting a candle each Sunday during Advent. Nowadays, many people in Britain are not very religious. However, they still celebrate Christmas. But watch out ----- the preparations begin long __4__ Advent. In fact, as early as September or October, you start to see signs that Christmas is on the way.
So what do people buy to prepare for Christmas? They often prepare Christmas decorations, Christmas __5__ (card) to be sent to their friends, presents for their loved ones and beautiful wrapping paper. And of course food! Apart from the special Christmas dinner of roast turkey __6__ goose, people buy lots of chocolates, nuts and snacks for everyone __7__ (enjoy). But the children are the __8__ (happy) when Christmas is coming. They start __9__ (make) lots of presents they would like, and give them to their parents. In December, they can also open their Advent calendars, __10__ is a way of counting down (倒数) to Christmas. They have a window to open for every day from 1st-24th December.
