Am stuck on top left and bottom right.
9 ac Raw soldier enrolled in French course (9) ------l-y
26 ac Adult leaves dance course c-u--
1 d National course? Not at first (4) ---e
2 d Bird drops core when on the rise (6) ---i-g
3 d Provide efficiencies - just two courses (10) ---t-m-i-e
27 d A little climber manages narrow path (4) --r-