Al was walking out of the park when he fell.(铝是走出公园跌倒的时候。)Al was walking off the park when he fell.(奥萨马�6�1本�6�1拉登的公园散步时跌倒的时候。)Al was walking of the park when he fell.(奥萨马�6�1本�6�1拉登的公园散步时跌倒的时候。)谢谢，请采纳！！~~~~
AB
