——Must we finish the exercise today?   ——No, you________.
#22007
A
mustn’t
B
don’t have
C
don’t have to
D
needn’t to
推荐题目
---Mom, I have passed the admission examinations! --- ______! 
#3166
A
Good for you
B
Good luck
C
Cheer up
D
Go ahead
---Excuse me, is this seat taken?---____.Please have a seat.
#3798
A
Yes, it is
B
All right
C
No, it isn’t
D
OF course
—Nice talking to you, thanks a lot.—____________.Bye.
#23835
A
Me, too
B
A11 right
C
So do I
D
Thank you
—________under the desk? -No, they aren’t.
#21804
A
Where are
B
What’s
C
Are those rulers
D
Is that ruler