do you know how many of them joined in the research project 这句中，know后面是不是省略了that?可以补上去吗？那that可以这样和how连用吗？research在这里是名词的话，能用来修饰project吗？

来源：学生作业帮助网 编辑：作业帮 时间：2024/05/02 13:38:08
do you know how many of them joined in the research project 这句中，know后面是不是省略了that?可以补上去吗？那that可以这样和how连用吗？research在这里是名词的话，能用来修饰project吗？

do you know how many of them joined in the research project 这句中，know后面是不是省略了that?可以补上去吗？那that可以这样和how连用吗？research在这里是名词的话，能用来修饰project吗？
do you know how many of them joined in the research project
这句中，know后面是不是省略了that?可以补上去吗？那that可以这样和how连用吗？
research在这里是名词的话，能用来修饰project吗？

do you know how many of them joined in the research project 这句中，know后面是不是省略了that?可以补上去吗？那that可以这样和how连用吗？research在这里是名词的话，能用来修饰project吗？
翻译：你知道他们中间有多少人参加了这项研究项目吗?
是的,后面的how many of them 是一个整体,可以连用.research这里可以修饰project的,这一类的例子很多.

不是省略，后面本身就是疑问句，不需要that.
名词可以修饰名词，尤其是在名称中用的最广泛：XX医院。。XX学校。。。XX项目，，，，

加上 that 是可以，而且也是正确的

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