I. The case ___1___ using animals in research A. Every drug anyone takes today _______2_______. B. Future medical research ______3________ the use of animals. C. Medical research is also a good way of _______4_______. II. The case ___5____ using animals in research A. Animals _____6____ a lot during the experiments. B. Much of the research is ___7_____ . C. Animals have _______8_________ as humans do. III. Some alternative ways for scientists to do their research A. Using _____9____. B. Using ___10______.