Shanghai is one of the__________cities in the world.
A. biggest
B. big
C. smallest
D. small
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We live on the __________floor.
A. two
B. second
C. second's
D. ground's
Beijing is __________capital of China.
A. the
B. a
C. an
D. /
________ book is this?
A. Who
B. Whose
C. Who's
D. Whose's
We usually have lunch in the ___________.
A. bathroom
B. bedroom
C. dining room
D. balcony