dictation
collection
education
illustration
celebration
decoration

A 
1) We are writing a dictation tomorrow.
2) She has got a very good collection of paintings.
3)  I don't know much about education in America.
4) We didn't like the illustrations in the book. 
5) When do English people have Christmas celebration?
6) Dad was putting up the Christmas decorations.
B
1) Dogs are fairly good swimmers.
2) This is a very unusual game.
3) The Volga is a powerful river.
4) We didn't like John, he was rather unfriendly.
5) You shouldn't speak quietly during the performance.
6) There are many sandy beaches in California.
7) When a child Sarah was a beautiful girl.
8) Robert greeted us warmly.