Holiday Giant Cryptic No. 90

I need some help, please.
1a. Give up real ink? Wish aloud (10) _ _ _ _ _ _ U _ E _
5a. A mare's fall created needless worry (5,5) _ A _ S _ _ _ _ _ _
73a Rafter tumbling while walking the beat (10) _ _ _ _ _ _ _ _ N _
74a Choose underwear, say, for outdoor diners (10) _ I _ N _ _ _ _ _ _

Thank you all for any help.