Select the option that will improve the underlined part of the given sentence.
You can do your work well within the stipulated time and be more productive if you learn to keep video games at the length of your arm.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3i.e. at arm’s length
Error concept: Incorrect idiomatic expression
What is wrong: The phrase “at the length of your arm” is not the standard English idiom.
Grammatical concept: The correct idiom to indicate keeping something at a safe or controlled distance is “at arm’s length”.
Incorrectness of the concept in context: Using “at the length of your arm” is unidiomatic and sounds awkward.
How to correct: Replace at the length of your arm with at arm’s length.
Correct phrase/ correction: at arm’s length
Final sentence: You can do your work well within the stipulated time and be more productive if you learn to keep video games at arm’s length.
Hence, the chosen option is correct.