A.listen
B.listening
C.to listen
D.on listening
第2题
We have made up laws to protect the water from being polluted and the animals _____ .
A.from being killed
B.from killing
C.not to be killed
D.killed
第4题
The attention of the public was continually _____ to new possibilities in scientific fields and the discovery ofnew knowledge .
A.applied
B.drawn
C.referred
D.thrown
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