There is a new problem involved in the popularity of private cars ___road conditions need _____.
问题描述:
There is a new problem involved in the popularity of private cars ___road conditions need _____.
第一个空填where不行吗?
答
当然不行,不知道楼主怎么考虑的.
这里显然是一个同位语从句,修饰problem,problem的意思是问题,又不是表地点,只有表地点的先行词才可能用where,这里用that.
另,第二个空可以填to be improved.