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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Unless they modify the system, our future generations will suffer.
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- Unless the system is modified
- Unless the system will be modified
- If the system will not be modified
- No improvement
Correct Option: A
Here, Unless the system is modified is the right usage.
