5．
know，give，proud，problem，good，
make，he，work，child，interest |
Martin Murray is a schoolboy and he is fifteen years old．He used to be a problem child．He used to give his mother many （71）problems．However，after his father's death，Martin's life became much more difficult．His mother couldn't afford to pay for her （72）child's education．She had to work，and so was often not at home．
His mother tried her best to look after him．Unfortunately（不幸地），Martin still caused trouble．He was not （73）interested in studying and he often got into trouble with the police．Luckily，his mother was very patient and didn't （74）give up trying to help him．In the end，she （75）made a difficult decision：to send him to a boy's boarding school．Martin hated it and caused a lot of trouble．One day，he told his teacher he wanted to leave the school．Even the teacher agreed that Martin was wasting his time．
The head teacher said it was necessary（必要的） for Martin to talk with his mother．Martin called his mother，but to his surprise，this conversation changed his life．"It was exactly what I needed，"he said．"I （76）know how much my mother had given me．She also told me that even though my father was not with us，he was watching me and would always take （77）pride in everything good I do．That's when I decided to change．"Now Martin has really changed．He （78）works hard and gets"As"in all subjects，He is now one of the （79）beststudents in his class．His mother helps him to feel good about （80）himself．And as he says，"It's very important for parents to be there for their children．"
