Improve the underlined part of the sentence. Choose 'No improvement' as an answer if the sentence is grammatically correct.
Watch your step-the third stair have a broken tread.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. has a broken.
The improved phrase should be "has a broken".
"has a broken" correctly matches the singular subject "stair" and uses the correct form of the adjective "broken" to describe the tread.
So, the corrected sentence is: "Watch your step- the third stair has a broken tread."