My supervisor is angry with me. I didn't do all the work I ______ last week.
SECTION II: LEXICO – GRAMMAR (7.0 POINTS)
Part 1: Questions from 16 to 35. (3.0 points - 0.15/ each)
Choose the best answer to each question.
My supervisor is angry with me. I didn't do all the work I ______ last week.
A. should have done
B. may have done
C. need to have don
D. must have done