阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词的正确形式填空。
A man looking at his smart-phone while walking across a railway crossing in Nanjing (have) a close knock on Oct. 22. He was so (absorb) in his smart-phone that he didn't see  a train approaching until it brushed past him，(throw) him to the ground. This should serve _ a warnin g that people should be aware of their surroundings，especiallycrossing roads.
(lucky), the man survived a brush with death，but the incident forced the driver to stop the train. An 18－minute delay followed the incident，_ led to a break in the running of other trains on the route.
Smart-phone (addict) has spread like an infectious disease. It's evident that it will do great harm to society. What's even worse, some addicts become _(patient) with relatives and friends.
Some people blame the smart-phone for the tragedy, yet in fact people's weakening self-control and self-discipline are_ (blame).