Our campus is large, and it takes at least 15 ____ 1 ____ to walk from the main gate to the student dormitory. Some ____ 2 ____ choose to call an electric car or ___ 3 ___ for just one yuan . When going downtown at weekends, we are _____ 4 ____ not to take any pirate or illegal taxis because of _____ 5 ____ reasons. It is a big headache waiting for ___ 6 ___ in holidays. There are so many students ____ 7 ____ but the seating capacity is limited. ____ 8 ____ boasts its ability to transport a large number of passengers ___ 9 ____ over short distances with little use of land . I haven’t _____ 10 _____ the high-speed train which takes one hour and a ___ 11 ___ from Jinan to Beijing. If I succeed in working overseas, I’ll definitely ___ 12 ___ it as well as the airplane.