Further to the request of Captain2 here are the remaining clues:-
1. Biblical lady is a communist (7)
2. Searching for a University teacher..... (10)
3. ......or hotel pal? (10)
4. A good place for ducks - white ones (9)
5. At a lower level (poetcially speaking) 5)
6. Near tribe (9)
7. Go there to clean up (4)
8. What small rodents do with their dead (10)
9. Welshmans vegetable (4)
10. Renal cast (9)
11. Rugby score for witches (8)
12. Ship's company, heading to the orient (5)
13. Soil band (8)
14. Fungus by the sound of it .... (4)
15. ......which made these (7)
16. Theatre platform, level inside (9)
17. Thrown in a kebab (9)
18. Trick a badger's home (7)
19. Vocal quality of a serving girl (9)
20. Not a lady's meadow (9)