In the given question, a part of a sentence is printed in bold. Below each sentence, some phrases are given which can substitute the bold part of the sentence. Find out the phrase which can correctly substitute that part of the sentence. If the sentence is correct as it is, mark the answer as 'No correction required' or 'No Improvement'.
The firm goes to great length to ensure that employees can be comfortable in their work environment.
are comfortable
The firm goes to great length to ensure that employees are comfortable in their work environment.