Find the missing link, i.e, a word which has a link to each of the three words listed.
For example Hail, Lime, Wall (5)
Answer STONE is linked to all three.
MISSING LINKS
1. Extra, Helping, Print (5)(Extra hint, starts with L)
2. Bulldog, Citizen, Legion (7)
3. Group, Pool, Solid (4)
4. Iron, Roller, Train (5)
5. Basket, Bed, Dirty (5)
6. Garden, Granny, Reef (4)
7. Cut, Film, Neck (4)