The park opens for free o_____on the last Sunday every mouth.
问题描述：
The park opens for free o_____on the last Sunday every mouth.
答
The park opens for free 【only】on the last Sunday every mouth.
这个公园【仅仅】在每个月的最后一个星期日免费开放
无疑后请采纳.
书山有路勤为径,学海无涯苦作舟.
-----------与君共勉-----------