Question

Pick out the best filler which can complete the given sentence correctly:
Trained workers are essential for the ------------- functioning of the factory.

• A. efficient
• B. futile
• C. fruitless
• D. hollow

Hint:

Look at the tone of the sentence. "Trained workers" and "essential" are highly positive and constructive words. Therefore, the blank must be filled with a positive adjective. Out of all options, only "efficient" carries a positive meaning!

Answer 1

The Correct Option is A

Step 1: Context.
Trained workers are 'essential' -- positive relationship. Futile/fruitless/hollow are negative.
Step 2: Correct word.
'Efficient' (productive, well-organised) fits the positive context.
Answer: efficient