Sentence Correction
The research study is an eye-opener and attempts to acquaint us with the problems of poor nations.

attempting to acquaint
attempted to acquaint
attempts at acquainting
attempt to acquaint
No correction required

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Sentence Correction
In below compare the bold part of each sentence with expressions A, B, C, D and E. choose the correct expression which is an improvement upon the bold part.This is one of the most important inventions of this century.

invention of centuries
invention of these century
invention of the centuries
No correction required
invention of this century

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