. He made up his mind to devote his life____________the river____________polluted.
#97630
A
to prevent, to be
B
to prevent, from being
C
to preventing, to be
D
to preventing, from being
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 The situation is hard to _______, because he isn’t a man easy to _______.
#88251
A
be dealt; communicate
B
be dealt with; be communicated
C
deal with; communicate with
D
deal; be communicated with
_______ to sunlight for too much time will do harm to one’s skin.
#90115
A
Being exposed
B
Exposed
C
Having exposed
D
After being exposed