The expression ‘ to formally put an end to’ means
A) Abolish
B) Abandon
C) Excerpt
D) None of the above

Hint: Expressions are frequently used phrases which are used both in written as well as oral language. Types of expressions include idioms, slang, phrasal verbs, proverbs, cliches, Jargons, Culture related expressions. We have to choose the best option from the given options such that the meaning of the expression ‘ to formally put an end to’ is similar to that of the correct option.

Complete answer:
We have to first know the meanings of the words given in the options-
A) Abolish - It means to put an end to;to do away with; to get rid of something that no longer serves us. For e.g. - The unfair laws were abolished.
B) Abandon - It means to isolate; to give up; to turn away from something/ someone. For e.g. She was abandoned by her friends.
C) Excerpt -It is a short extract/ part from a literary work such as story, poem, musicor film. For e.g. She was made to read an excerpt from the book.

The phrase ‘to formally put an end to’ means to stop the continuity of an action/activity. The word formal here implies, legally/through law/through new policies. The expression closely relates to the word abolish. In fact it's precisely the meaning of the word abolish.

Therefore the correct answer is Option (A).

Note: The expression ‘ to formally put an end to’ is a phrasal verb. Example of sentence where we can use the word abolish is as follows - India abolished the sati system. This implies that India formally put an end to the sati system.