问题描述：
Complete the conversation with proper words .
A:Daming,can you answer some questions( )my homework?
B:Sure.
A:( )the population of Shanghai?
B:Over 23 ( )people ,I think
A:And is Hong Kong bigger( )Shanghai?
B:Hong Kong has about seven million people ,so Shanghai is( ).
A:Daming,can you answer some questions( )my homework?
B:Sure.
A:( )the population of Shanghai?
B:Over 23 ( )people ,I think
A:And is Hong Kong bigger( )Shanghai?
B:Hong Kong has about seven million people ,so Shanghai is( ).
问题解答：
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