Choose the best alternative to complete the sentences.1. The person in charge of a business is informally known as the .a) chef b) chief c) boss2. The person who is in charge of a car is the .a) guide b)leader c)motorist d) driver e) conductor3. A person who prepares food is a .a) cook b) cooker4. A person who works in an office is an .a) officer b) office worker5. A person who takes photographs is a .a) photograph b) photographer c) photography6. A person who knows how to use a keyboard is a .a) typewriter b) typist c) typing machine writer7. A woman who looks after other people’s children is a . a) nanny c) nurse8. The person you work with is your . a) college b) colleague c) collaborator9. The person who is in charge of a restaurant is the .a) patron b)manager c) chef d)chief10. The person who would service your car is . a) a mechanic b) an engineer c) a technician11. A person who studies the origins of the universe is a .a) physician b)physicist c) physics12. Another word for a doctor is a .a) physician b) physicist c) medicine13. The person who teaches you or taught you at school is a . a) teacher b) professor 14. If you are one of the people waiting to be served in a shop you are a.a) client b)customer c)patient d) guest 15. If you serve people who come into a shop you are .a) an official b)a shop assistant c) an attendant d)a bank clerk​