A new policy formulated, _____. 
#83261
A
thus did the economic reform begin
B
thus began the economic reform
C
thus had the new economic reform began
D
began the economic reform thus
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Only when the European countries’ financial system broke down_____ to take measures to deal with those problems.
#82150
A
did they decide
B
they decided
C
they had decided
D
had they decided
Only after Mary read her essay the second time            the spelling mistake.
#80772
A
did she notice.
B
she notice.
C
does she notice
D
she has noticed
There are some health problems that, when _____ in time, can become bigger ones later on.
#80462
A
not treated
B
not being treated
C
not to be treated
D
not having been treated
Only by shouting at the top of his voice, ___.
#82771
A
he was able to make himself hear
B
was he able to make himself hear
C
was he able to make himself heard
D
he was able to make himself heard
. Little ______ about her own safety, though she was in great danger herself.
#82809
A
did Rose care
B
Rose did care
C
Rose does care
D
does Rose care