Which sentence is the correct one?

Correct Sentences with appropriate prepositions: 
He is competent for the post. (Competent for = যোগ্য)
The secretary was absent from the meeting. (Absent from = অনুপস্থিত)
Our teacher does not crave for money. (crave for = আকাঙ্ক্ষা করা, পিছু পিছু ছোটা)
The man was exempted from the charge. (Exempt from = মুক্ত করা, be exempted from = মুক্তি পাওয়া)