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
—Computer is so useful. It can do almost everything. —Yes, but it ______ what to do.
#44720
A
will tell
B
has known
C
must be told
D
is told
—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
