Select the option that will improve the underlined part of the given sentence. In case no improvement is needed, select 'No improvement required'.
Unless we are not sure of our goals, we cannot achieve them.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. Unless we are sure.
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In the given sentence, 'Unless we are not sure' should be changed into 'Unless we are sure'.
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We use the conjunction 'unless' to mean 'except if'. Therefore, after 'Unless' we do not use 'not'.
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The clause which follows 'unless' is a subordinate clause and it needs the main clause to make a complete sentence.
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For example: Unless it rains, we'll go for a picnic by the river tomorrow. It implies that We'll go for a picnic by the river tomorrow if it doesn't rain.•
The correct sentence is:- Unless we are sure of our goals, we cannot achieve them.
Hence, the correct answer is Option 4 i.e. Unless we are sure.