Quiet Cryptic 1

Upending a slab - lightweight material (5)

Speak carefully to avoid upset around expression of pain (5)

Girl disappeared during war (3)

Outer walls cast aside - they see it's bereft of English (7)

Condensed into state school drama class exercise - education at last! (9)

Discover play for the first time, fittingly (5)

Turning to signal destruction - not applicable prior to dynasty (8)

Assumed it was delivered clearly (9)

Avid boozing results in self-important person (4)

Missing festive treat left unused (6)

It rings hollow - biographical about Spanish Man (4)

A Greek character initiates celebrations with elegance (4)

Left to their own devices, worryingly nude hugging to deal with (10)

Move cheerfully - cycling last in order to make high school celebration(4)

Polyglot takes what’s left, in collecting arrears from arts university (9)

Just friend after Spanish love conducted without standards (8)

Put a lid on group opposing order without help of knight (3)

Prize-winner to intensify after heart ache (5)

Investigate charges, having lost item following drawn-out search (8)

Bearish residua after experiment (7)

Doubtful royalist is without company (8)

Feeling satisfied, swindlers take shelter first try (11)

Expressed disapproval - take back one’s laugh (4)

Chances are, overdose starts deceptively subtle (4)

As expected, included broadband provider is under an obligation (8)

Hat made FBI agent exude personality, I heard (6)

Bombs indiscriminately, moves left unconsidered (5)

Oil industry titan is cold hearted - showing off...? (5)

Mucus not child appropriate - uncouth, unpleasant residue (4)