Select the most appropriate option that can substitute the underlined segment in the given sentence. If there is no need to substitute it, select 'No substitution'.
Delegates of the conflicting countries formally meet at a conference to ironing out their differences.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. to iron out.
- "to ironing out" is the wrong phrasal form. The correct phrase is "to iron out" which means to resolve or work out a solution for a problem.