there is a new problem __ in the popularity of private cars __ road conditions need to be improved.为什么第一空要填involved?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/03 21:02:21
there is a new problem __ in the popularity of private cars __ road conditions need to be improved.为什么第一空要填involved?

there is a new problem __ in the popularity of private cars __ road conditions need to be improved.为什么第一空要填involved?
there is a new problem __ in the popularity of private cars __ road conditions need to be improved.
为什么第一空要填involved?

there is a new problem __ in the popularity of private cars __ road conditions need to be improved.为什么第一空要填involved?
new problem为主语,它是被动的,所以要用be involved