Please can you help with the following
71. 100 wooed Rick and student around Thameslink Station (11)
73. Oh go back to two students joining quiet rescue boat (7 4)
78. What tongue twister was doing to flute because is endless (7 3)
82. Doctor's friend, Ms Brown, gives to valley near hoover building (8)
84. He initially destroyed Earl's hideout in the North West (9)
85 A bird gets mystical line before rod surrounds a station (8 4)