阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

That Beijing, together with Zhangjiakou, 【小题1】 (succeed) in getting the chance to host the 2022 Winter Olympic Games in 2015, speeds up the development of Zhangjiakou City.

Word came 【小题2】 the Beijing-Zhangjiakou high-speed railway, 【小题3】 (locate) in North China, is currently under construction, and is expected to be completed by 2021 in preparation for the cities to host the 2022 Winter Olympics. Starting from Beijing North Railway Station and heading west through the Great Wall three times in the capital’s territory, the project is a big challenge, 【小题4】 designers say the explosions needed to dig the tunnels will not have an impact on the structure. The line has a 【小题5】 (long) of 174km as a double tracked passenger dedicated line(双轨道乘客专线), with ten stations situated along   【小题6】 (it) route. Having a 【小题7】 (totally) investment of 31.17 billion yuan ($5 billion), the trip between the two cities will only take 40 minutes, with the train 【小题8】 (travel) at an average of 250 km/h. According to the plan, the high-speed railway will build two branch lines — one is to Yanqing Station and the other 【小题9】 Taizicheng of Chongli, where the Olympic village lies. The full railway, which includes a 70-kilometer section through Beijing, will be completed in one and 【小题10】 half years.