13d) It helps you walk in a large enclosure with animals (10) ?L????????
21a) Gestapo ordered to seize communist's last supporter (8) W??????T
25a) Doctor persisted, fiddled round about cheek (10) no letters
28a) Greenish eggs returned to a director in film (7) ??????O
29a) Key measure's adapted to welcome student refugee (6,6) no letters
All help greatly appreciated