This meant that people (21) ……… moving all the time to find food.A.WAS B.WERE C.BEEN应该选哪一个,为什么

分类: 作业答案 • 2021-12-20 03:24:48

问题描述：

This meant that people (21) ……… moving all the time to find food.A.WAS B.WERE C.BEEN
应该选哪一个,为什么

答