This is the museum ( ) we saw an exhibition the other day

问题描述:

This is the museum ( ) we saw an exhibition the other day
填where,但是that可用作关系副词,代替where,when 或why引导从句并且可以省略,那为什么这里不行?

朋友说的情况是在先行词是the place / time 时可将对应的关系副词where /when 用that来代替的,可不要弄混了啊!只有先行词是the place ,the time ,the reason时可以互换?朋友说的我不太懂,我的意思是当你说的那几个做先行词时,他们的关系副词where,when,why可以用that(此时是副词)来代替,其他情况不行啦,记好哦。