Query about Question 7 from "(GRE Big Book) Test 1 Text Completion Problems (14)" [9698]

GRE GRE Verbal Problem Solving
1

https://www.gregmat.com/quizzes/quiz/gre-big-book-test-1-text-completion-problems-14 (Question 7)

How does someone understand what blank to do first and also how to go about the betrayed blank

2

Let’s start how you’d approach it