With April 18’s railway speedup, highway and air transport will have to compete with _____ service for passengers. [ ]

Have you ever been to Mount Tai–Yes．I there last year．

Is your home close to the school, John—No, it’s a long way, but I am ________ late for school because I get up early every day.

It is so cold here in Zhengzhou this winter that it seems as if we ______ in Iceland.

_____ he had never worked so hard in his life. [ ]