7 Across - It's laid down by our betters (5) ?a?e?
10 Across - Letting in- or out (9) ?????s?o?
8 Down - Trying to avoid a punishment (6) ???ing
11 Down - One doesn't hear them when they're dropped (9) ?s?i????s
21 Across - Like a layer of wood (5) ??s???
17 Across - Such speed could be fatal (9) ?n???n???
16 Down - Inferior choice of directions (5) ?o???