'KNOCK-KNOCK' by Ximenes

In affectionate memory of Torquemada No. 565 (Jan. 1937)

Clues beginning with a blank lead to answers thus: ['Knock-knock.' 'Who's there?' '---.' '--- who?'] '--- game than I thought': CECILIA ('s a sillier) fills the blank.

ACROSS
1 '--- the angel voices (8)
7 '--- ee wot I mean?' (4)
10 Arrest gunners for adulterating butter (5)
11 To tread upon eggs that aren't yours? (5)
13 '---bow-room for sardines' (4)
14 '--- done better to do as 'e was bid' (4)
16 To trip upon your toe (4)
18 '--- on a stick' (6)
19 Shylock lurking here? The very idea! (3)
20 '---ve lost between them' (4)
21 '---up a loser'! (3)
22 '---d it, but it came apart' (6)
26 How many were drowned in one day (6)
27 '--- on a swaggah stick' (6)
28 Shortage of bats at a high level (6)
30 Climbed up to on foot, down with in hand (3)
32 '---lot and felt a bit queer' (4)
35 '--- buch use gargling' (3)
37 '---into confessing our sins' (6)
38 '---I'd under 'is wing, poor thing' (4)
39 Sir Paridell's skin kept this dry (4)
40 Tolerable appeal for nothing (4)
41 '---lawn to get 'is fat down' (5)
42 'Through creeks and ---s making' (5)
43 '--- my delight' (4)
44 '---a' yer say yer want fat' (8)
DOWN
1 '---fuses to lay' (5)
2 '--- or boo: Ah just throws tomatoes' (6)
3 '---at every station' (5)
4 '---ease, sir, it wasn't me' (4)
5 '--ise who I am, I presume?' (5)
6 Nadir as seen in certain angles (7)
7 '--- people's very rude' (7)
8 Big solo which must roll to Rio for plot (5)
9 '--- daysh to shay yet' (7)
12 '---it dead 'e 'd 'ave won the hole' (8)
15 It's all on account of Scots port (5)
17 '---usan's birthday' (8)
22 '---ver the shins when 'e ain't lookin' '(8)
23 Roman officers besmirch minor eagles (7)
24 '---I Dismond' (5)
25 '--- a half to build a house in??' (7)
29 Formerly throw up broken stones (6)
31 Anything lucky at---? Failed by a head! (5)
33 Chinese dynasty, pulling your leg! (5)
34 '--- me what's under the counter, too' (5)
36 '---rotten film yethterday' (5)
38 At Satan's mercy, like 'a painted ship (4)