__________ the class, the students left the classroom one by one.A. At the end of B. In the end C. By the end
_________ your name on the paper and you can get a magazine.
The clothing store _____________ a sale. The clothes there are very cheap.
________________ a book in the library, enter a key word into the computer.
Studying in groups is necessary _________________ you want to do well in school.
---Whose is the pencil box? ---It ____________ be Tom’s. Look at his name on the cover!