useful information !
Wondering whether grammar is really tested on GMAT or reasoning , or both.
In the long run more focus ,as indicated , should be on reasoning as their is no end to grammar rules and diction frenzy.
Idioms and Sentence Correction - a message from GMAC
This doesnt look like a sentence template that can possibly work in RM. The dangling period should be the least of your problems. Do you actually have it working okay in a report except for the dangling period?
Thanks for sharing such an amazing knowledge.