Are you going to leave school at the end of the term ?   Yes , I am .   What are you going to do ?   I'm going to be a clerk .   What does a clerk do ?   He works in an office . He writes letters and reports , and he types .   I want to be a vet .   A-what ?   A vet-a veterinary surgeon .   Good gracious ! What's that ?   A vet's a man who takes care of sick animals . He's an animal doctor . 