it ____heavily the outing had to be put off.为什么答案不能是being raining?正确答案是,raining.

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/17 01:06:48

it ____heavily the outing had to be put off.
为什么答案不能是being raining?正确答案是,raining.

being 后都是过去式词,因为被动词作用.
例子:
The job is being completed.
She is being bullied.