Stuck on the following clues. Any help would be appreciated please.
8/25A: Do more sell out pillars and paragons ?O?E ?O?E?S (4-6)
9A: She'll render her overture only when it's over THE ?A? L?D? (3-3-4)
21A: Panacea for pathetic European Union credit C?R? (4)
Thanks in advance.