Lovatts Colossus 135 Giant Cryptic

Hi fellow puzzlers need some help please.
12a Colder rice servecd after one. (5) = E???R
21a Fellow miners modified gesture. (9) = M?P???I?M
35a Tabby is used to child. (4-3) = no letters
42a Generous, like an elf after sunburst. (9) = U???????H
44a Dance has unexpected ending. (5) = ??I?T
44d Does it take middle of the road position? (7,6) = ??A???C?????
6d Otherwise model felt friend should have final say. (11) = ????E???T??
28d Bargain hunter goes after unusual rags and jumper. (11) = G??????????
29d Assertively outspoken about iodine on tap. (11) = O??????????
Thanks
cheers
smithy