Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.Bob has been working as a waiter since he ________ from high school. A. g
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Bob has been working as a waiter since he ________ from high school.
A. graduates
B. graduated
C. had graduated
D. would graduate