您要查找的是不是：
- Why has the change taken place ? 出现这种变化的原因是什么呢?
- Why has the change taken place? 出现这种变化的原因是什么呢?
- Several years ago , Chinese streets were filled with people wearing identical drab clothing . Today , however , things are quite different and the streets are awash with people wearing fashionable bright colored outfits . Why has the change taken place ? 许多年前，中国大街上的人都穿一样的灰褐色衣服。然而，今天的情况大不一样了，街上满是一个个身穿色彩艳丽的时髦衣服的人。出现这种变化的原因是什么呢?
- Why has the change taken place 出现这种变化的原因是什么呢
- But has the change already taken place? 那末，现在已经转变了没有呢?
- B: Why has the result been like? 为什么结果一直是这样呢?
- Why has the main engine stopped? 主机为什么停?
- Why has the Church given this precept? 问:圣教会为什么定了这个规律？
- Why has the Chanticleer been so seriously injured? 雄鸡为何而身受重创？
- Why have the default file formats changed? 为什么更改了默认的文件格式?
- Why have the busmen decide to go on srtrike? 公共汽车司机为什么决定举行罢工?
- Why has the Maslow theory of needs been criticized? 为什么马斯洛的需要理论会受到非难?
- But why has the oil bogeyman become less scary? 但是为什么这石油幽灵变得不那么可怕了呢？
- Do you have the change of 5jiao? 你有5角零钱吗?
- Some Americans have the feeling that idealism has gone out of politics and that personal ambition and money have taken place. 有些美国人觉得理想注意已经从政治中消失，取而代之的是个人的野心和金钱。
- Why has the wireless infrared alarm become interference sources? 无线红外报警器为何成为干扰源?
- Why has the Blessed Mother the greatest glory and privilege? 问:为什麽说，圣母最有光荣、最有福气呢？
- MRI to judges periphery organizes the change to have the help. MRI对判断周围组织变化有帮助。
- Why has the Needham Problem been difficult to solve? "李约瑟难题"为什么成了难解之题?
- The returning officer has the final say on whether a recount takes place. 选区选物官有权决定是否重新点票。
