She walked back to the cinema 改为同义句She walked back to the cinema 同义句She went back to the cinema
网友回答
She walked back to the cinema 同义句
She went back to the cinema（on foot 步行）
======以下答案可供参考======
供参考答案1:
she returned to the cinema on foot
怎么忽然改了提问格式了？
那就是 on foot