Three clues left
6 down: One sunderwing irresistible drowsiness (11)
Cryptic clue: he keeps dropping off in order to conceal trip
-A---L-P-I-
7 down: Forerunners, ancestors (11)
Cryptic clue: Can't see dent formed by previous history
-N-E-E---T-
26 across: Quarrelling (11)
Cryptic clue: At such, is quarrelling about George's lad gulping hydrogen
--G--R-E-E-