(2013·湖南省重点中学3月联考)We pursue happiness，thinking one day we will find it.But_________it by seeking it.

The corridors（走廊）was so narrow that I had to myself against the wall to let them pass.

How are you getting on—Pretty good! We collected all the pictures that could be found ________ a surprise for her at the party.

There is a widespread belief among the science world ____we keep on _____ the earth as we are doing today, the exist ence of us humans on this planet will be out of the question in some years yet to come.[ ]

Peter, I will visit our teacher this Sunday.\—-_______. Let’s go together.