若点M（2，m） （m＜0）到直线l：5x－12y＋n＝0的距离是4，且直线l在y轴上，的截距为，则m＋n＝_________.
It's important for young people to make a right （决定）for their future．
根据句意和汉语提示写出单词，完成句子．
His uncle is going to （参加）a business meeting in Beijing next week．
Nobody was （缺席）from school though it rained heavily yesterday．
Mr．Smith is sitting （在其中）a group of children，telling the story．
Tina is my cousin．She is tall and she has long （直的）hair．
，则m＋n＝_________.
粤公网安备 44130202000953号