阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
On Sunday, a tragedy struck in Chongqing, after a bus crashed into oncoming traffic before falling into the Yangtze River. The accident 【小题1】 (cause) by a fight between an angry passenger and the bus driver left 15 people dead.
A woman passenger failed 【小题2】 (get) off at her drop-off station. She demanded the driver an immediate stop, but the driver refused. 【小题3】 was unexpected was that she later struck the driver on the head with her mobile phone, and the driver took his right hand off the wheel to fight back. Then, he lost control of the bus and crashed into a red car before breaking through the bridge guardrail and tumbling into the river. People witnessed the disastrous scene,【小题4】 (hope) looking on as the tragedy occurred. One of the rescue workers said the bus 【小题5】 (sink) to a depth of 68 meters.
【小题6】 is very basic common sense that the lives and 【小题7】 (safe) of the whole bus depend upon the driver. As the one 【小题8】 (responsibility) for the whole bus, he should have stopped the bus 【小题9】 the roadside to ensure that it was safe while under attack. On the other hand, the woman attacked the driver simply on account of her own fault.
Feeling terribly sorry for the tragedy, many netizens blamed the woman for the crash,【小题10】 others criticized the driver for his reaction.