He is solely responsible ______ the project.
- In
- Of
- For
- None of these
Explanation
The adjective "responsible" is almost always followed by the preposition for to indicate the task, duty, or thing for which a person is accountable.
Responsible for is used to mean "having the job of managing something" or "being the cause of something".
Related MCQs
- Preposition phrase
- Noun phrase
- Adjective phrase
- None of these