从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1. At first ______, the bag seems made of real leather. But actually it is just an imitation.
A. sight B. look C. appearance D. view
2. --- What do you think of the headmaster of your school?
--- Oh, she is _____ headmaster who is kind-hearted and helpful. And it’s _____ pleasure to work with her.
A. the; the B. a; a C. a; the D. the; a
3. During a successful business career he gained a great amount of ______.
A. force B. wealth C. health D. power
