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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A little rail-road engine was employed by a station yard for doing small pieces of work.
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- was made by a station yard
- was used at the station yard
- was employed at the station yard
- No improvement
Correct Option: C
Here, was employed at the station yard is the right usage.
by (Prep.) : near somebody/something
at (Prep.) : used for saying where something/somebody is or where something happens
