Please help me to get started!
1a) Popular trees change colour nearly, arousing curiosity (11)
1d) About to enter where twins are washed simultaneously (2,3,4,6)
7d) *Here the french catch cold - sign of 23 conditions. (6)
(* 23d Clue is: Women test blankets in cold typically 6 letters )
Apology for not having any letters.