英语:I am afraid that is the most important place( )you should vi...答:区别:关系代词用that(不用which)的情况:1. 先行词是all, anything, everything, nothing等,关系代词应用that That's all that he told me.2.先行词前有the only, the same, the very 或no, little, much, any, every, all 等修饰时,关系代词应用that She is the only person that I ...