A great deal of human invention since the last 300 years has been directed to taming the power hidden in nature, and to channeling it into steady sources of energy that can drive machines.
A. since the past 300 years
B. in the last 300 years
C. during the past 300 years
D. No improvement
Answer: Option C
Solution(By Examveda Team)
A great deal of human invention during the past 300 years has been directed to taming the power hidden in nature, and to channeling it into steady sources of energy that can drive machines.This Question Belongs to Competitive English >> Sentence Improvement
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