The lift in that tall building went wrong and got trapped _____ floors. People in it had no way to get out.
A serious study of physics is impossible _____ some knowledge of mathematics .
Three Long Island families forced to move by Hurricane Sandy have been ____ in fancy Manhattan apartments ever since free of charge.
He wrote a letter ___he explained what had happened in the accident.
China’s education reforms aim to better develop students’ ability to think _____.
—Honey ,this is a present for your birthday. — Ah ! A pair of shoes ,Nike! I think they __comfortably.