方舟金刚怎么强训:There is a new problem involved in the popularity of private cars ___ road conditions need___

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There is a new problem involved in the popularity of private cars ___ road conditions need___(improve) 为什么第一格只能用that不用
第二格为什么填to be improved 不填improving

第一个that引导的是修饰problem的从句，或者用of which，前面需加逗号。
第二个用to be improved的理由是：to be done表示待做，待解决，同时表示被动语态。这里可以用improvement，但不能用动名词improving，因为需要强调将来完成的动作和被动。

个人觉得都可以
need doing=need to be done

There is a new problem involved in the........ there is a hero There is a new problem involved in the popularity of private cars ___ road conditions need___ is There new song have ?的意思 where,there is a will there is a way there is a will,there is a way. there is a will there is a way`是什么意思 Where there is a will, there is a way,是什么意思？ 翻译：Where there is a will,there is a way. where there is a will,there is a way是什么意思 ？