He had to___ before they finished the course because they were not well disciplined.
#82834
A
drop in
B
drop out
C
drop off
D
drop by
推荐题目
Secondary and higher education _____ available to all high school graduates in this country so far.
#83321
A
have made
B
were made themselves
C
have been made
D
were made it
We are at your service. Don’t to turn to us if you have any further problems.
#74476
A
beg
B
hesitate
C
desire
D
seek
Mr. Irvine, who ________ in a high school for forty years, is now living in retirement.
#71937
A
had taught
B
taught
C
has taught
D
had been teaching