Help!! I am wasting too much time on my last 4 clues, just can't work them out.
17a: barrel short of air (3)
t?n
28d: descriptive of strip turned out like a light (6)
?S?E??
Probably asleep but cant work out where strip comes in
39a: tape nearly wound around a box (7,4)
??n???y ?r?a
35d: bikers having taken an almighty fall? (5,6)
h???s ?n?e?s