it was at the church --------that the accident took place.完成句子which\that I showed you around可不可以用where I showed you around?take place in some place,为什么句子没有in?

it was at the church --------that the accident took place.完成句子which\that I showed you around可不可以用where I showed you around?take place in some place,为什么句子没有in?
it was at the church --------that the accident took place.完成句子
which\that I showed you around
可不可以用where I showed you around?take place in some place,为什么句子没有in?

it was at the church --------that the accident took place.完成句子which\that I showed you around可不可以用where I showed you around?take place in some place,为什么句子没有in?
之所以没有in是因为已经有介词at了.而之所以不用where是因为show sb around some place,这里直接加地点的,没有介词,那就是that或者which.

it was at the church （which\that I showed you around
）that the accident took place.
这是一个强调句。此处不可以用where，用为where= at which. 而原句中已经有at了
，故不能用。