Here is the tower, ______ top you can have a good view of the whole city.
The classroom is almost empty, where is _____?
Don’t go to _____ places where there is no fresh air.
Energy is ____ makes one work.
I know nothing about the accident except _____ I read in the paper.
There he pointed to _____ looked like a stone and said that’s ______ you had to carry home.