分析这个定语从句
问题描述：
分析这个定语从句
The place ___ the bridge is supposed to be built should be ___ the cross-river traffic is the heaviest.(at which ; where)
答
原句去掉修饰成分就变为the place is supposed to be builtat which the bridge 定语从句,修饰先行词the place.at which=wherewhere the cross-river traffic is the heaviest表语从句做插入语....