—Who is playing the piano in the classroom? —_______ must be Susan. She plays the piano after school every day.  
#40027
A
She
B
It
C
This
D
He
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---Are the key rings the ______?  ---No, they are ______ 
#40369
A
twin’s; her
B
twins’; hers
C
yours; mine
D
yours;their
Shanghai is larger than ___________in Jiangsu.
#43314
A
any city
B
any other city
C
the other cities
D
another city