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
- 80% of our work ______ finished. - Really? It’s ______ hard work, you know.
#44995
A
have been; such
B
has been; such
C
has; such a
D
is; so
 The students    how to do the experiment in class yesterday.
#45055
A
were taught
B
better
C
was taught
D
teach
— Look at the sign on the right. — Oh, parking        here.          
#44548
A
isn’t allowed
B
doesn’t allow
C
wasn’t allowed
D
is allowed
When I called Mr. Li, he and his wife ________ in the rain.
#44704
A
trapped  
B
were traped
C
were trapped 
D
were trapping