A. I have to pay the professor by the check, don’t I B. I should see the professor about the assignment, shouldn’t I C. Did the professor check my assignment right away D. Did you see if the professor is all right
A. I have to pay the professor by the check, don’t I
B. I should see the professor about the assignment, shouldn’t I
C. Did the professor check my assignment right away
D. Did you see if the professor is all right