A) Animal shelter unfinished, next to leisure area (6) ****E*
B) Knocking back more than one drink, walk unsteadily in Perth (4)
*T**
C) Vegetable cooking, I take over (5) O*I**. Is it onion? If so, why? Surely not one (I) o'clock taking over from noon!
D) Such cover-ups left the underworld without power (10)
L*M***A***. Is it lampshades?. Hades is the underworld but I don't understand the "lamps" part of the answer.
As per usual, with an explanation as to how you arrived at the answer please.