Need help with the following clues please.
6A Draw lots in order to get the ultimate... say ?A?T/???? (4-4)
22D: And I sort out novices T?R?S (5)
16A: Lady Gaga's favourite medium is all we needed ?A?IO (5)
28D: How to ingratiate yourself to Santa's team ??D?A? (6)
Thanks in advance.