In my brother's absence, I would like to thank all concerned on his ________.

(2013·宝鸡二检)In my brother's absence, I would like to thank all concerned on his ________.

(2013·重庆部分学校高三联考)At the edge of the grass，there's a sign saying“________ the grass”．

___________ you have your computer stolen. You forgot to lock the door when leaving.

His sudden ______ of violent anger put an unpleasant end to the meeting.