Select the most appropriate option to improve the underlined segment in the given sentence. If there is no need to improve it, select ‘No improvement required.’
This lock will not open unless you don’t use the correct code.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. use.
Statement: This lock will not open unless you don’t use the correct code.
The conjunction "unless" is used which means except if and it is always followed by a subordinate clause. So, use should be used.
Correct statement: This lock will not open unless you use the correct code.