Short hair is back _______ this year. The female workers is my office all had their long hair cut.

 The boy was led ___while crossing the road.

________his hair getting gray, he has decided to have it dyed. 

 Fuzhou-Quanzhou-Xiamen high-speed railway has been running for more than a year. ______, fewer people take the trip by bus.

Wangwei soon became interested       cycling.