| 
 
     
- UID
 - 421477 
 - 帖子
 - 2724 
 - 积分
 - 14346 
 - 学分
 - 22691 个 
 - 金币
 - 18 个 
 - 性别
 - 男 
 - 在线时间
 - 430 小时 
 
         
 | 
1 Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away. 
2 He noticed the remains of a snake which was wound round the electric wires of a 16,000 volt power line. 
3 It sent sparks down to the ground and these immediately started a fire. |   
 
 
 
 |