Choose the best option to replace the underlined part to improve the given sentence. If no substitution is required, select 'No substitution.'
Her birthday is in the 9th of July.
Show answer & explanation
Correct answer: A
Explanation
The correct preposition for a specific date (a day) is 'on'. The preposition 'in' is used for months, seasons, and years, while 'at' is typically used for specific times. Therefore, the sentence should be 'Her birthday is on the 9th of July'.