Which of the phrases a,b,c, and d.given below should replace the phrase given in bold in the following sentence to make the sentence grammatically meaningful and correct ?
If the sentence is correct as it is and ‘No correction is required’ mark e, as the answer.
Over-exploitation of ground water has been led to their levels falling drastically and causes droughts
In the question statement, past perfect has been used instead of simple past tense.
The correct sentence would read as:
Over-exploitation of ground water has led to their levels falling drastically and causes droughts.
Hence, option A is correct.
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