Quick Christmas quiz

Here are some Christmas quiz questions I wrote for my students. How many can you get right?

1. What does "White Christmas" mean?
2. What is another name for Santa Claus?
3. What do people traditionally sing at Christmas?
4. What does "Boxing Day" mean?
5. What do English people eat on Christmas Day?
6. What does "advent calendar" mean?
7. Where can you kiss the person you secretly like?
8. What do people send before Christmas?
9. What does "christmas cracker" mean?
10. Where do English people put their Christmas presents?
11. How many reindeer does Santa Claus have?
12. What does "midnight mass" mean?
13.What is the "Queen's Speech"?
14. What does "christmas stocking" mean?
15. How can you decorate your tree?
16. How many days of Christmas are there (according to the song)?

What's the easiest question? The most difficult?
Over to you!