Question

For the last decade or so, the Marshlands in Chennai _____ to one-tenth of its total size.


has been reduced


have been reducing


has been reducing


have been reduced

Answer 1

Answer:

have been reduced

Explanation:

it is past so we should add heve been reduced

Answer 2

Answer:

for the last decade or so, the Marsh lands in Chennai have been reduced to one tenth of its total size.

Explanation:

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