some researchers believe that {there}is no doubt a cure for AIDS will be found.为什么要there,不是有that.that is no doubt.

分类: 作业答案 • 2022-02-16 22:54:50

问题描述：

some researchers believe that {there}is no doubt a cure for AIDS will be found.
为什么要there,不是有that.that is no doubt.

答

there is no doubt 是固定搭配,没有that is no doubt