Old Dm Crossword

[margarettom]

15d. Makes the most of fish and drink. ( M - L - - - A - E )
20d. Type of rock group, unknown to some extent ( P - - - )
18d. Have targets unplanned benefits for opposition ( - W - / G - A - S )

Thanks in advance

[AlwaysConfused]

15) milkshake

[MargoTester]

20 punk in clue

[BlueScorpion]

18d Own Goal

[MargoTester]

18 own goals

[margarettom]

Can you still help?
23 a. Cook studies this golf course. ( G - S - R - N - M - )
Gastronome seems to fit, but WHY golf course?

Again thanks in advance

[Calibax]

G astronomy