下列加横线字词类活用与其它三项不同的是（ ）

This room is _________. They share the room with each other.

How do you find the health club—I.Everyone is saying its management is going from bad to worse

He has been out of work for three months; as a result, he has to _____ on family expenses by one-third.

Do you know ______ the soldiers came to Yushu Town –The roads were badly broken. They had to walkthere.