Fraught with : Although you said that the answer script had been meticulously corrected by you , but I found it fraught with many mistakes.
Flickered: The candle flickered and a sheer darkness engulfed the corridor of the old fort.
Timidly: Timidly, the student stood in front of the teacher with his incomplete homework.
Beg your pardon: I beg your pardon, sir, for being late.