She has done his exercises, ____?
A. has she
B. hasn’t she
C. had she
D. hadn’t she
You had to clean the classroom yesterday, ____ ?
A. don’t you
B. didn’t you
C. couldn’t you
D. shouldn’t you
Let’s go sightseeing,____?
A. will we
B. don’t we
C. are we
D. shall we
Hand in the homework on time,____?
A. will you
B. shall we
C. don’t you
D. don’t we