12 across. Clue: "Whate'er you think, good words, I think, were best" (King John), for example (10). I have: ?E?T?M?T?R. Is it HEPTAMETER or PENTAMETER?
22 across. Clue: Item of furniture used in Blue Peter -- middle part (4). I have ?E?T. I suppose it's probably SEAT but have no idea why. Help please.