1.Guo Jingjing won many gold medals at the Olimpics,we are all proud of her.
2.The patient had died when the doctor come.
3.I had known his brother for two years before I knew him.
4.I would work in Beijing in May ,next year.(这句好像时态有问题）
5.It is dangerrous to ask strangers for help.
6.I began to do my homework as soon as I got home as usual.
7.I will call you as soon as I arrive in Newyork.
8.my mom likes things are kept in good order.
(若有错误,请指正）