Only after they had discussed the matter for a few hours _______a decision 
#82229
A
they reached
B
did they reach
C
they reach
D
do they reach
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Not until I shouted at the top of my voice ______ his head.
#81541
A
that he turned
B
he had turned
C
he didn’t turn
D
did he turn
Believe it or not, _____ did I hear it, but also saw it.
#82194
A
as well
B
not only
C
never before
D
only if