1. I have many friends, some are businessmen.
A. of them B. from which C. who of D. of whom
2.Great attention must be paid ________ education，especially in the countryside.
A．develop B．to develop C．to developing D．Developing
3. Stop_____ this kind of deer. They are_________.
A. hunting; dying away B. to hunt; dying out
C. hunting; dying out D. hunting; dying down
