What a swine this week!
Thanks to earlier answere have struggled to last 5 :
4D - Duck's stuffing on reflection rated average (5)
E?A?E
21D - Sound of German rising for series of prayers (7)
N???N??
27A - True struggle disheartened this old Union's members (7)
S???E?S
37A - Keen on son making pass swiftly (5)
??E?P
&
Rather casual maiden winks back, on and off (5)
K?N?A
The usual caveat as to the accuracy of some (or in this week's case all) of the letters cited applies