根据句意选择正确的单词。
1. She likes drawing and math. She can design cars. She is an ____________.[ ]
A. engineer
B. salesperson
C. cleaner
2. He enjoys math. He helps the bank use their money well. He is an ____________.[ ]
A. actor
B. accountant
C. writer
3. She enjoys helping people. She is a ____________.[ ]
A. artist
B. actress
C. policewoman
为（）。
；
；
。