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OG12-74关于时态的问题,呼叫大N~~
A 1972 agreement between Canada and the United States reduced the amount of phosphates that municipalities had been allowed to dump into the Great Lakes.
OG的解释是,因为dump 这个动作在修改了法规之后仍然存在,所以用 had been 是一个不正确的时态。
我个人觉得 had been是表明allow 的时态,用 had been allowed 与reduced形成对比,体现出,这个allow是在reduce之前的,我觉得其实比用 were更合理。 |
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