In front of the reading room of Yangzhou High School, a notice reads, “When you finish the book, please ________ it on the shelf.”

He decided that he would drive all the way home instead of _____at a hotel for the night .

24．As most of their houses were badly damaged after the earthquake, many people had to be_____in a stadium．

Even though computer screens don’t         radiation, the stress from staring over long periods can cause harm to your vision.

His sacrifices for the country were never officially       , which made all of us feel discouraged.