there are some rulers in our pencil boxes(变成单数形式)there_ _ _in_pencil__shi heng xian

分类: 作业答案 • 2021-12-19 16:30:47

问题描述：

there are some rulers in our pencil boxes(变成单数形式)there_ _ _in_pencil_
_shi heng xian

答

there is a ruler in my pencil box