Thanks to earlier enquirers I am down to three :
35A - Extremes of emotion double, taking away women's allure (6)
E?T?C?
39A - Worry bridge player when blocking his opponent (3)
E?T [This should be obvious, but I can't see any worry in any potential answers I've come up with]
&
40D - Test about the way jumper places for commercial display (9)
S?O?R?O?S
Explanations welcomed - some of these letters may be erroneous.......