1: Mary has answered the teacher’s question...?
A: has he
B: Didn’t she
C: Hasn’t she
2: Your coat got we yesterday.....?
A: Didn’t you
B: Didn’t it
C: Doesn’t it
3: I’m early....?
A: am I
B: are not I
C: aren’t I
4: Those plates are very dirty....?
A: are they
B: aren’t they
C: weren’t they
5: Mrs.Lan was sick....?
A: was he
B: wasn’t she
C: isn’t she
6: The costumes look gorgeous....?
A: don’t they
B: can’t they
C: can you
7: My pen is blue . His pen is red...?
A: isn’t he
B: aren’t I
C: isn’t it
8: We designed our own house....?
A: Didn’t they
B: did we
C: didn’t we
9: It’s getting colder ....?
A: is it
B: isn’t it
C: isn’t he
10: Everyone has left the dangerous area...?
A: haven’t they
B: isn’t it
C: are they
11: Everything happens for a reason....?
A: is it
B: doesn’t it
C: aren’t they
12: Everyone must observe traffic regulations...?
A: must they
B: mustn’t they
C: mustn’t we
13: Hardly a day goes by without thinking of her..?
A: is it
B: does it
C: doesn’t it
14: She has never been to Ha Long Bay....?
A: has she
B: hasn’t she
C: is she
15: Someone has told him about her death....?
A: have they
B: haven’t they
C: hasn’t he