—Mary, could you tell me if your mother ________ our school sports meeting tomorrow?  —I think she will come to school if she _________ free.  
#70853
A
will take part in; will be
B
takes part in; is
C
will take part in; is
D
takes part in; will be
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Few of them hurt themselves in the accident , ______?
#68988
A
don’t they
B
didn’t they
C
did they
D
do they
He’s already ridden the horse before ,______?
#70811
A
is he
B
isn’t he
C
has he
D
hasn’t he
His sister’s never been to the Summer Palace, _______?
#68884
A
is she
B
has she
C
hasn't she
D
isn't he