Last Sunday ,in the supermarket we bought ( ) some sweets .A us B ourselves .选哪个?为什么?求详解,

分类: 作业答案 • 2021-12-20 02:23:16

问题描述：

Last Sunday ,in the supermarket we bought ( ) some sweets .
A us B ourselves .选哪个?为什么?求详解,

答