1: Sister gets nothing, we hear (3)
2: Gloomy semi-dull firmament (5)
3: Tool placed under sack as a safety precaution (4,5)
4: Entertain one of nine daughters of Mnemosyne (5)
6: Taking the future into consideration, Chaney acquires farmstead (4-5)
7: Carelessly let teeth rot completely (2,3,6)
9: Doctrine for some Kiwis makes sense (3)
11: Support sign for subordinates (11)
13: De Bergerac hugged bird on return (5)
15: Cabaret, nearly empty, takes prize (9)
16: Coal remaining at the end of a month (5)
17: Pests in a census? Distorted. (9)
22: Small crewmen back rockets (5)
24: Unprepared, a little gerbil darted the wrong way (2-3)
25: Encourage horse led with direction. (3)
27: Child, bask by the sound (3)
28: Worthless even when recycled (3)