Rt2

[redglenys]

9a reportedly twisted step[4] r?n? rank?
10a tailess dog with chief greek historian [8] ?????r??
11a supply line blocked by one against local development [6] n?m?l?
1d boss holds ends of lyrical instrument [5] ?e???
2d fish for small duchess? [5] ?k??? skate?
4d dimwit takes road to river source [7] ?i???a?
17d love to miss commercial speech [7]?R?T?O?
20d element of buddist sound appearing
thank you

[Mamyalynne]

17 (Ad)Oration

[scorpiojo]

2d Yes
17 (Ad)Oration

[elliemay1]

17 oration

[Mamyalynne]

1 CE ll O

[dannyk13]

9a.rung

[Lie-in King]

9a Rung - "wrung" reportedly
10a Plut(o)-arch
11a Nimbly - 'l(ine)' (in) 'N(ot) I(n) M(y) B(ack) Y(ard)'
1d Cello - 'CEO' (boss, holds) 'l(yrica)l' (ends)
2d S-Kate
4d A1-r-head
17d (ad)Oration
20d Xenon - "Zen" (Buddhist sound) + 'on' (appearing)

[redglenys]

thank you all