1.  He worked so hard that e   __    he made himself ill.
2.  WTO is short for World Trade O     __   
3.  The crazy horse is running at a high s______.
4.  A friend in need is a friend i      __  
5.  Taiwan lies in the s______of China.

1.  A friend in need is a friend i          .
2.  Thank you for your            (治疗).
3.  Different people have very different t_____  on this subject.
4.  The crazy horse is running at a high s          .
5.  She is the _____ (能力) woman I have ever known.