The forest guards often find campfires that have not been ____ completely.
#65598
A
turned down
B
put out
C
put away
D
turned over
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It seemed that the water       .
#69241
A
was to blame   
B
was to be blamed
C
should blame   
D
was blamed
He made up his mind to devote his life _____ pollution ______happily.
#65216
A
to prevent; to live
B
to prevent; from living
C
to preventing; to live
D
to preventing; from living