Complete the following text:
My uncle Marty is an ambulance driver. His job is exciting but it isn't easy at all.
An ambulance driver ________ drive quickly when there is an emergency. It's a good
thing he _________ follow the traffic rules, like everybody else. For example, he
_________ stop at a red light: however, he _________ drive carefully. At the
same time, an ambulance driver ________ be very calm. In order to become an ambulance
driver, you ___________ take lots of special courses. I'm thinking about becoming an ambulance driver when I grow up, but I ________ decide yet.