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
I think teenagers ____________ to choose their own clothes.
#44596
A
be allowing
B
should be allowed
C
be allowed
D
should allowed
—What happened to Billy?—He________because of his drink-driving.
#44936
A
is caught
B
was caught
C
has caught
D
had caught
--When _____ the abacus _____?   -- In the sixth century by the Chinese people.
#44867
A
is, invented
B
did, invent
C
was, invented
D
does, invent