can anyone help me with these short clues please ?
1. central difficulty (3) R?b
2. Vivacious quality (6) E?p?i?
3. Underlying structure (5) ?r??e
4. Single; uniform ( 7) U?i?a?y
5. Self-important (13) C?n?e???n?i?L
6. Reticence (13) S?c?e???e?e?s
7. secret(7) ????a?e
8. Austere (7) ?s?e???