问题描述：
| — Mr Robert has devoted all his life to caring for animals. — Yes. He is a ______ campaigner for animal rights. |
| [ ] |
| A. stubborn B. determined C. optimistic D. cautious |
考点提示：形容词
最佳答案： | B |
— Mr Robert has devoted all his life to caring for animals. — Yes. He is a ______ campaigner for ani
— Mr Robert has devoted all his life to caring for animals. — Yes. He is a ______ campaigner for ani
最佳答案： 