铁路电子客票是以电子数据形式体现的（）。
A
暂无解析
Priceshaverecentlyriseninorderto__________theincreasedcostofrawmaterials.
Thefarm_____myfatheronceworkedhastakenonanewlookforthetimebeing.
Washerisamachine____(用它我们洗衣服)orapersonwhoiswashing.
Whoistheman____(你刚才在操场和他握手)?
Howlonghaveyou____?