_____ his electronic dictionary made himself sad.   

To some people, “spiritual health” is a very abstract concept, ________ many unexplainable elements.

People believe that the China Dream is not very difficult  ________ so long as the whole nation works hard for it.

 Many ______ football fans stay up to watch the ______ 2012 European Championship, which is currently being co-hosted by Poland and Ukraine.

_____ that there is no opposition , I will report it to the general manager .