标题: 语法大全987中的第二题求解释 [打印本页] 作者: coffeeqoo 时间: 2012-3-18 10:22 标题: 语法大全987中的第二题求解释 2. 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. (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 答案是A or D?作者: HarrisZheng 时间: 2012-3-18 21:53
og答案为D