搜搜做题作业网.为什么change和worsen要加ing?
来源：学生作业帮 编辑：搜搜做题作业网作业帮 分类：英语作业 时间：2024/05/11 02:50:32
.为什么change和worsen要加ing?
many other animals will also disappear from vast areas of forest and savanna,greatly changing and woresning the whole ecosystem
many other animals will also disappear from vast areas of forest and savanna,greatly changing and woresning the whole ecosystem
动名词短语做伴随状语