Many years ago ,there were many old city walls in Beijing.(同义句转换)many years ago ,there were many old city walls in beijing同义句转换____ ____ ____ ____ many old city walls in beijing.
问题描述:
Many years ago ,there were many old city walls in Beijing.(同义句转换)
many years ago ,there were many old city walls in beijing同义句转换
____ ____ ____ ____ many old city walls in beijing.
答
there use to be
答
long ago ,there were many old city walls in beijing
答
There used to be
used to表示以前有.
答
there used to be