The time he has devoted in the past years ________ the disabled is now considered _______of   great value.
#92923
A
to help; being
B
to help; to be
C
to helping; to be
D
helping; /
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Tom is the first        he is wrong.
#94243
A
admit
B
to admit
C
of admitting
D
for admitting
It rained nonstop for ten days , completely _____ our holiday. 
#98169
A
to ruin
B
ruined
C
having ruined
D
ruining