The scientist decided to devote his life to ____ pollution from ____ again.
#66898
A
preventing; happening
B
prevent; happen
C
preventing; happens
D
preventing; will happen
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 I spoke to him kindly  ________  him .
#78527
A
not to frighten
B
in order to not frighten
C
for not frightening
D
so as not to frighten
Gathering clouds________the coming storm.
#83917
A
declared
B
turned out
C
appeared
D
announced