Complete the text with suitable preposition:
A good boy is accustomed (a) ______ hard work. He is not addicted (b) ______ any bad thing. He is not averse (c) ______ any hard work. He clings (d) ______ his determination. Since he is used (e) ______ hard work, he is not doubtful (f) ______ his success. He is very much conscious (g) ______ his duties. He is not boastful (h) ______ his talent. He behaves well (i) ______ all. He attends (j) ______ his studies.