Ladies & gentlemen,
I have completed all. See the answers:
1A- SWIPES, 5A- BOTH, 8A - OTTO, 9A- ANOREXIA
10A- SHEETING, 11A- POKE, 12A- ASCENT,
14A- ABRUPT, 16A- STAY, 18A- CODE NAME,
20A- MEDITATE, 21-DUKE, 22A- ETON, 23A- STRONG
2D- WITCHES, 3D- PROSE, 4D- STATISTICIAN,
5D- BLEEPER, 6D- TRICK, 7D- PORGY AND BESS
13D- ELYSIAN, 15D- PUMPKIN, 17D- TREAT
19D- NADIR.
I must confess that I have taken some help from here and there. Everybody does.