Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The teacher was worried about the play her young class was putting on for the parents fortunately, everything ______ off without any problems.
A. took
B. passed
C. walked
D. called
Chọn B
Pass off= diễn ra, take off= xóa bỏ, walk off= bỏ đi, call off= trì hoãn.