The river in my home town is 3000 metres long.The river in your home town in 3500 metres long.
问题描述：
The river in my home town is 3000 metres long.The river in your home town in 3500 metres long.
将下列句子合并为一个含有形容词比较急的句子
The river in your home town is( )( )( )( )( ）of my home town．怎么填呀
答
The river in your home town is( 500 )(metres)( longer)(than)( that ）of my home town．
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