Double trouble

Each clue leads to two answers which differ from each other by one letter. You must decide which is the correct one. For example, the two possible answers to 1A are FILL-IN and FILLIP — the answer to 3D will reveal which one is correct. Solutions in Monday’s Daily Mirror

ACROSS

1 Substitute (4-2) Ł Source of stimulation (6) 4 Burrowing marsupial Ł Fighting (6) 7 Person admitted to hospital Ł

Easily irritated by delay (9)

9 Shade, tint Ł Ripped (4)

10 Shipping harbour Ł

Hard sweet often bought at the seaside (4) 11 Foul-smelling Ł Honoured, celebrated (5) 13 Television programme rerun Ł

Warm up (cooked food) (6)

14 More snug and comfortable Ł

Keener to pry (6)

15 The — of the Shrew, Shakespearean comedy Ł Recording (6)

17 Reimbursed Ł Mend (6)

19 Unusual tropical pig-like mammal Ł

Thin out, narrow (5)

20 Martin —, London Fields author Ł

Old Testament prophet (4)

22 Dirty overcrowded house Ł

Impure layer on a liquid’s surface (4) 23 Conventional state Ł Requirement of custom or etiquette (9) 24 Smoked —, fishy delicacy Ł Lounge bar (6) 25 Indicate, designate Ł Dedicate (6)

DOWN

1 More obese Ł Paternal parent (6) 2 Peruvian capital city Ł

Bright shade of green (4)

3 Flying machines Ł Mercury or Neptune, eg (6) 4 Frederic —, Minute Waltz composer (6) Ł Add to a fund (4, 2)

5 Look after Ł Benevolent, generous (4)

6 Dry firewood Ł Make slight adjustments (6) 7 Singin’ —, classic Gene Kelly movie Ł Generally (2, 3, 4)

8 Relevantly in relation to current affairs Ł Just as expected (9)

11 Decorator’s thick coloured liquid Ł Swoon, keel over (5)

12 Major Kent ferry port Ł Conceal (5) 15 Tightens up Ł Rags, joshes (6)

16 Michael —, Harry Potter cast member Ł Cured ham (6)

17 Played a series of jazz chords Ł Plundered (6)

18 Sound of thunder Ł

Debris from a demolished building (6) 21 Team sport played on horseback Ł Composition for one person (4) 22 Astonish greatly Ł Disown, reject (4)