In the context of the passage, select the most appropriate option to fill in blank (2).
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. is.
Context: The sentence refers to the current importance of sustainability in the present time.
Meaning of the words:
Will be – future tense (not suitable, as the statement is about the present reality)
Is – present tense (correct for stating a current fact)
Might be – shows uncertainty (not suitable; the tone is confident)
Was – past tense (incorrect, as the statement refers to the present)
Grammatical Concept:
We use the Simple Present Tense when expressing general truths or current realities.
Correct phrase: “It is a necessity...”
Final Sentence: It is a necessity and the primary agenda of the world today.
Hence, the chosen option is correct.