181. She was late and only had time for a hurried preparation  of dinner.  

180. Patience is a requirement in teaching.    

179. You need to do some revision  for the coming examinations.  

178. She could not bear the thought of separation from her children for one year. 

177. Tom forgot to bring his raincoat when he had to ride home from school. Fortunately  his home was only a mile away.   

176. Many boys and girls are taught to do gymnastics when they are very little, so some of them can become world champions at the very early age such as Li Ning and Li Xiaoshuang.

175.              She loves to wear necklaces, earrings, rings and so on , so her jewelry  has been insured one million dollars.  

174.              He was a millionaire by the time he was thirty as he inherited a large sum of money from his family.    

173.              He was a poor man with few possession .     

172.              He thought it better to begin work immediately as time was running out.