语法填空: Tom is proud 1. ____ his being a doctor, for his work is to protect a number of patients 2.______ getting badly injured.One day, Tom received a cal l, saying that a worker got an 3. ______ shock in a factory.After hanging up,Tom set out to the factory to carry out the first 4. _____ and got 5. _____ to the injured worker as soon as he arrived at the factory. Finding besides the electric shock, the injured worker also got 6. _____(burn) and the burn was 7._______(mild)swollen, Tom gave first aid to the injured worker immediately, 8._____(use) anything he could put his9. ______ on. His first aid soon made10. _____ difference, and the worker became better, so the crowd gave Tom a warm applause in honour of his efforts.