They must have finished the work by the end of last month, ______? 
#64447
A
hadn’t they
B
mustn’t they
C
haven’t they
D
didn’t they
推荐题目
—          is her hair ?—It is blond.
#60236
A
What color
B
What
C
Where
D
How old
 Are these apples? Yes, ____ 
#60263
A
they are
B
they’re
C
they aren’t
D
they’re not
I don’t think she will come to the meeting on time, ______?
#64672
A
do I
B
do you
C
will she
D
won’t she