Much attention should be paid _______ the wild animals as many of them are dying out.  
#96777
A
protect
B
to protect
C
protecting
D
to protecting
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He left the place, _____never _______back again.
#97179
A
determined; to come
B
being determined; to come
C
determined; coming
D
determining; coming
He is a football fan, so he is keen ________ football matches all day.
#88313
A
to watching
B
about watching
C
to watch
D
for watching