Test mode (4)
I believe the answer is:
beta
(Other definitions for beta that I've seen before include "It's next after alpha" , "character in Marathon" , "Second Greek letter, B" , "Second-rate" , "second class grade?" .)
I believe the answer is:
beta
(Other definitions for beta that I've seen before include "It's next after alpha" , "character in Marathon" , "Second Greek letter, B" , "Second-rate" , "second class grade?" .)