1d.I?????. Enter ----it's a key on a modern keyboard.
2d.D?????. Embarrassed about eating pub grub.
4d.N???. Part of pipeline put back in river.
9a.????a ???r?.2words.A canal with rats ruined the city.
12a.????e?.Something designed for smoking jacket.
15a. 2words. H???e?s ????. The son's rent review results in unfavourable reaction.
14d.2words.???a? S?u?e.Two sorts of brass chicken might come with it.
7d.????a???.Runner barely on the pitch.