It was believed that things would get worse, but ____ it is they are getting better.
#72254
A
before
B
after
C
because
D
as
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Would you please put the dictionary       it belongs?
#67868
A
where
B
to which
C
to whom
D
what
It was ____ the old worker came that we ____ the  experiment.
#73098
A
until; didn’t begin
B
not until; began
C
until; began
D
not until; didn’t begin