Traditions and holidays of Grate Britain - questions

1) What holiday the most popular in Grate Britain?
2) When Christmas celebrated?
3)  What presents give people on Norway?
4)  What do people eat for dinner on Christmas?
5) Who wait children?
6) What sing the groups for singers?
7) Where Santa Claus puts presents for children?
8) How called long socks?
9) What holidays is 26th of December?
10) What time can to visit friends ?