In the afternoon of March 12th,we had a charity bazaar in the playground of our school.改错

题目

In the afternoon of March 12th,we had a charity bazaar in the playground of our school.改错

答案

改正：把In改成On.
1.the afternoon of March 12th意思是“3月12日的下午”,这是指具体某一天的下午,此时介词必须使用on,而不能使用in.
2.in the playground也可以使用,意思也是“在操场上”,不过on the playground更加常用.