the hotel, an old man gives him a magic map. A. In B. At C. On
---Where did you get the dictionary?--- From the library. And I have ______ it for two weeks.
The accident happened ________ the afternoon of April 15.
After playing football about half an hour, the students took _________ rest.
It is said that potato chips ____________ by mistake about a hundred years ago.
She told us a story. Her voice sounded ___________.