Direction: In the following questions, a part of the sentence is printed in bold. Below are given alternatives to the bold part 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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Our progress was slow because of having to search for them at frequent intervals.
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- at having
- through having
- in having
- No improvement
Correct Option: B
Here, through having is the right usage.
