Direction: In the following questions, a sentence/part of the sentence is printed in bold. Below are given alternatives to the bold sentence/part of the sentence at (1), (2) and (3) which may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).
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All his efforts to find his lost child were in vane.
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- vein
- wane
- vain
- No improvement
Correct Option: C
vain (Adj.) : useless
vane (Noun) : a flat blade, moved by wind/water (windmill)
vein (Noun) : any of the tubes that carry blood from all the parts of the body to.
wane (Verb) : fade ; decrease
Here, vain is the right usage.