题目内容
( ) 5. To fight against pollution a long time. That means we have a long way to go.
A. costs B. spends
C. continues D. requires
5. D require意为"需要"。
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题目内容
( ) 5. To fight against pollution a long time. That means we have a long way to go.
A. costs B. spends
C. continues D. requires
5. D require意为"需要"。