A. Accept the job offer from the book store.
B. Accept the job offer from IBM.
C. In the holiday work in IBM and in the next school year work in the book store.
D. Give up both offers and find another one in the next school year.

A. Their number would continue to rise.
B. Each one would continue to become larger.
C. People would live and work in the same place.
D. Each one would contain a certain type of business.