问题
选择题
water will make the fish in the pond . [ ]
A. Polluting; die away
B. Being polluted; die off
C. Polluted; die out
D. Pollution; die down
答案
答案：C
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water will make the fish in the pond . [ ]
A. Polluting; die away
B. Being polluted; die off
C. Polluted; die out
D. Pollution; die down
答案：C