Please help with 3 clues.
18 across.Volunteers to clothe rather hot female.Is it TABATHA/TABETHA/TABITHA?
51 across.Clue is:Sodium supply almost finished a long time ago.I have N?P??
40 down.Clue is:Trouble returns when forum overseer intervenes.I have I???M???E.Is it incommode? If so, how does it work?
Many thanks in advance.