17 a Not sure of answer. X & Myops agree. I have --I-E.
Could be unite, or abide, or alike. Don't understand?!
Also
21a Sally's stage . I have TH-I- T. Is it Thrift?
Any help , much appreciated.
Many thanks scorpiojo. - and the others who helped with 17a. Chime is a great answer and should ring a bell! No pun intended . Help still required for 21a. Cheers.