. A 1972 agreement between
reduced the amount of phosphates that municipalities had been allowed to dump into the
(A) reduced the amount of phosphates that municipalities had been allowed to dump
(B) reduced the phosphate amount that municipalities had been dumping
(C) reduces the phosphate amount municipalities have been allowed to dump
(D) reduced the amount of phosphates that municipalities are allowed to dump
(E) reduces the amount of phosphates allowed for dumping by municipalities
答案选A,但是OG(11th第62题)选D!我觉得,应该还是以OG为准吧。
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