Select the most appropriate option to fill in the blank.
Giant pandas are black-and-white Chinese bears that are on the ______ of extinction.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. verge.
The most appropriate word for the filler is 'violating' which means to break a rule.
Sentence: Giant pandas are black-and-white Chinese bears that are on the verge of extinction.
Meaning of other words:
Peak: the point at which something is the highest.
Margin: the empty space at the side of a page in a book.