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
It’s said that ______of the water around the world___ polluted. 
#44439
A
two third , has
B
two thirds, have
C
two third, are
D
two thirds, is
After Nanjing Youth Olympic Games Park ________, it will become a new tourist attraction.
#44624
A
completed
B
has completed
C
is completed
D
was completed
 Finally, the child was made _______ and began to smile. 
#44368
A
stop crying
B
to stop to cry
C
to stop crying
D
stop to cry
Old people must __________.
#44763
A
speak to polite
B
be spoken politely
C
be spoken to politely
D
be spoken to polite