小测验：选择正确的单词

1. polo pony
   马球马
   
2. pony express
   n. 驿马快信的制度
   
3. pony up
   付帐, 付钱
   

1. The boy saw a pony with a brand-new saddle over its back.
   男孩看到背上有崭新鞍子的小马。
2. A wild or semiwild horse or pony of western North America.
   美洲野马北美洲西部野生或半驯化的马或小马
3. We often go pony - trek in the summer .
   夏季我们经常骑马旅行。
4. Pony-trekking is a wonderful way of spending a day off.
   骑着小马留达是一种消磨时间的极好方法。
5. Tell him to catch the ponies and saddle up.
   叫他牵住小马并套上马鞍。

　5个名词解释