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

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

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Sentence Correction
In addition to enhanced their reputations through strategic use of philanthropy, companies are sponsoring social initiatives to open new markets.

No correction required
of enhancing their reputation
to have their reputation enhancing
to enhancing their reputation
to having enhance their reputation

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