#1 Denthor
#2 A new bow, quiver, and arrows
#3 Borimir
#4 55-56
#5 Three golden hairs of Galadriel
#6 Merry
#7 thumb width
#8 Nothing (they thought he had died)
#9 Vilya, Nenya, and Narya
#10 Faramir
#11 Elf
#12 September 2, 1973
#13 January 3, 1892
#14 Morning
#15 Eowyn
#16 Thrain
#17 Frodo fights with Borimir 
Frodo and Sam go away in elfen boats and Aragon and others search for Frodo. For he was invisible.
#18 Gollum (Frodo and Sam weren't captured because of Faramirs lake)
#19 Gandalf, Galadriel, Elrond, Bilbo
#20 (7)
#21 Yes
#22 Smeagol
#23 Arawen
#24 George Allen and Unwin