We went to swim in the river in a very hot day.这句错在哪儿?
问题描述：
We went to swim in the river in a very hot day.这句错在哪儿?
答
in换成at
介词用错是哪个in用错了呢？谢谢in a very hot day为什么要用at a very hot day.而不用on a very hot day.谢谢！希望解释的详细点！抱歉，我觉得on最合适了，on用在具体的某一天最合适了