题目内容
The earth gets ________ every day, so we should stop ________.
A. polluted, pollution
B. pollution, polluted
C. pollute, pollution
A. polluted, pollution
B. pollution, polluted
C. pollute, pollution
A
此处get为系动词,相当于be,动词用polluted表达被动形式;停止污染用stop pollution。

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