Across
In class this boy when ordered sat, the creep (8,3)
What makes page dirty? A sort of bonk-lit (3-4)
Swedish scientist is retired tennis champion (7)
Wickedness accepted by rich man: time to sell up (9)
No Tolkien character gets backing to sing (5)
A comedy show about to drop pet cat (4)
Secretive, after spilling cereals without paying attention (10)
Trick ref and get United flying — on a roll (10)
Buffoons lowering the odds of seeing these? (4)
Inserting end of chisel, make bigger hole in sphere (5)
Evoke birdsong, not one of the top three we hear (4,5)
Port and cheese nicked, neither finished (7)
May baby's nature appear at first unusual? (7)
Unequally carve up goose, madly merry tucking in (11)
Down
Filthy carpet may eventually appear excellent (4,4,7)
Curfew fully obeyed with no extra charges? (3,2)
Greek goddess accepting one of her characters as mistress (7)
Run over me, stopping short as a favour (7)
Child's hero follows papa as a minister (8)
Suggesting better clothes shouldn't be put on, being drunk (3,5,3,4)
Dessert's up: at last spoon out and get a move on (6)
Mean to be wasting years? Not altogether (6)
Newton was to emerge to get into motion (8)
What operators wear in prison? (6)
University department failing to employ Conservative (7)
Festival — it lifted a Roman province (7)
Turn cross, receiving hard riddle from one (6)
Establish there's nothing in cash (5)
Type letters or click words in the clue