( )(6) That is ______ apple .A. a B. an C. none
() — 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
()My aunt is a teacher. She _____ in a school. A. working B. work C. works
()My _____ is young. A. work B. teach C. teacher