Please help me get started. Two weeks running I've been stuck with this crossword
1a What the autobiography reveals is the career of an ordinary soldier (7,4) -r-b--- ----
10a Doesn't continue when the fall has taken place? (6,3) 1st letter E
7d Not necessarily police employed at airports (6-5) 2nd letter L
20a Putting in an appearance and acting as a servant (9) ----n-i--
6d Their delineation may produce border-line cases (9) 5th letter T