She used to live in Hanoi, ______?
A.did she
B.used not she
C.didn’t she
D.used she

You mustn’t come late, _______?
A.do you
B.needn’t you
C.need you
D.must you

It seems that they know what they’re doing, ______?
A.doesn’t it
B.don’t they
C.do they
D.does it

Nothing can happen, ______?
A.can’t they
B.can it
C.can they
D.can’t it

You rarely have time to read a book, ______?
A.don’t you
B.have you
C.haven’t you
D.do you

Why he killed himself seems a secret, _______?
A.does it
B.doesn’t it
C.didn’t he
D.did he

What beautiful flowers are, _______?
A.isn’t it
B.is it
C.aren’t they
D.are they

Nobody knows the truth, ______?
A.don’t they
B.do they
C.does it
D.doesn’t it

Don’t leave here, ______?
A.shall we
B.won’t you
C.will you
D.do you

I’d better tell him the truth, ______?
A.hadn’t I
B.shouldn’t I
C.aren’t I
D.do I