Select the option that will improve the underlined part of the given sentence. In case no improvement is needed, select 'No improvement required'.
My son has been sleeping for twelve hours at a stretch.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. No improvement required.
Statement: My son has been sleeping for twelve hours at a stretch.
The given sentence is correct contextually and grammatically. Hence, no improvement is needed.