阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为31--40的相应位置上。
As we know, birthdays mean only cakes, presents, and a sweet song--Happy Birthday to You when we think of it.   1  , there are different birthday celebrations.
  2  the west, many birthday traditions come from an old belief that bad spirits showed up on a person's birthday. Today, people still get together for birthday parties. But around the world, birthdays     3      (celebrate) in many different ways.
In North America, children get their noses   4  (cover) with butter on their birthdays.  5       butter is supposed to make children too slippery for bad    6 （lucky） to stick to them. Irish people lift birthday children upside down and hit them     7     (light) on the floor for every year of their age. Mexico also has a unique birthday tradition. A paper-made animal is filled    8   candy and toys and hung from the ceiling. The birthday child with his eyes covered then   9  (try) to hit the animal with a stick_____10___ it bursts open.