Kay is going to the doctor---- Saturday morning and going to the mall ---Sunday.

分类: 作业答案 • 2021-12-28 15:07:06

问题描述：

Kay is going to the doctor---- Saturday morning and going to the mall ---Sunday.
A.不填；on B.in；on C.on；in D.in；不填

答

B为什么呢在某一天，用介词on在某一天的早晨要用介词in。固定用法。