Is it good _______bad to surf the Net?. A. and B. or C. but
() — _____ do you work? —I work at a school. A. What B. Where C. Why
()My father is a _____. A. worker B. work C. works
() — Is she a _____? — Yes, she is. A. policeman B. farm C. nurse
()I am ill. I should see a _____. A. doctor B. driver C. farmer
()He has a car. He _____ to work. A. drive B. drives C. driver