2d. Provocative rain cover lost in a storm (13) ??N?????R?I?? 1a. Notice dog inside is safe (6) S????? (3rd letter here is 1st letter of 2d) 10a. Secretary placed advertisement in colour and showed off (7) P?????N 22a. Drop in liquid until the egg starts to thin (6) D????? (was thinking DRAINS, but don't see how the egg clue comes about)