6D Churchill's "N?e?r Finest Hour"
18D "i" lid - D??
25A Whip badly - ??u??
20D Release, in a way - U????
27D Half of snake eyes - O??
28A Main conspirator of a conspiracy - M?s?e? ????
31D Kind of testing - ??a
35A Moving towards the centre - I? P?u??
39A War actions of a conspiracy - B????? P?a?s