You have to stay behind if your homework         before five o'clock.
#44375
A
wasn’t done
B
hasn’t done
C
doesn't do
D
isn't done
推荐题目
A new bridge from Zhongshan to Macao           in five years.
#44382
A
are built
B
were built
C
have built
D
will be built
The old men in hospital __________.
#44584
A
take good care of
B
take good care
C
are taken good care
D
are taken good care of