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


d?
ANSWER IS D
D
C
(D) reduced the amount of phosphates that municipalities are allowed to dump
D
D
A
Past perfect tense is a must. What is OA?
D
please give answer admin
D
D
D
choice(A)
reduced the amount, the amount which they had been allowed earlier,
A
D