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English Sentence Correction QUESTION #4891
Question 1
A 1972 agreement between Canada and the United States _____ phosphates that municipalities had been allowed to dump into the Great Lakes.
  • reduced the amount of phosphates that municipalities had been allowed to dump✔️
  • reduced the phosphate amount that municipalities had been dumping
  • reduces the phosphate amount municipalities have been allowed to dump
  • reduced the amount of phosphates that municipalities are allowed to dump
Correct Answer Explanation
It correctly maintains past perfect 'had been allowed' to show the permission predated the 1972 agreement. 'Amount of phosphates' is the proper idiomatic phrase. Option C incorrectly shifts to present tense. Option D changes meaning by using present 'are allowed.' Option B alters the meaning by removing 'allowed.'