The tradition of birthday parties started a long time ago. People thought there was a special danger from evil spirits on birthdays;(1) _______, friends and family came together to bring good thoughts and wishes and even presents. There are some (2) _____traditions in different countries around the world. In Vietnam, on a child’s first birthday, family members put many things on the floor around the child for him or her to choose. (3) ______ to tradition, the first thing the child picks up will tell us his or her future job. In some countries, (4)______ 21st birthday cake is sometimes in a shape of a key. The key (5) ________ that the young person is now old enough to leave and build up to their own family at any time they want to. For Japanese children, the third, fifth and seventh birthdays are (6)______important. There is usually a special party on these birthdays. (Hãy điền vào các ô trống những từ đã cho sẵn: a - means - according - different - however – particularly - therefore)