He is really nervous. He ________ back and forth all the night waiting for the results.
Information has been put forward ___ more middle school graduates will be admitted into universities.
Determination is a kind of basic quality and this is ___ it takes to do jobs well.
We have the most population in the world, and most of it _______ farmers.
A thief was found ________ the house and steal the pictures last night.
—What about putting some pictures into the report?— A picture is worth a thousand words.