1) Who sang "There`s no one quite like grandma" in 1980?
The groups name has 4 words W I T A by which writer - his name starts with A J ?

Example - complete the songs and artists from the abreviated clues eg HC (WIO) by J&Y
This is Happy Christmas (War Is Over) by John and Yoko


2) Which 2 groups have both had 3 consecutive Christmas number ones?

Clue = S I C by E J

3) Which group asks if you are "hanging up a stocking on your wall"
Clue = L T C by M

Hope someone out there knows the answers
Thanks guys