Question

1.you should make it a rule to leave things（）you can find th

Answer 1

1.where 引导的地点状语从句,表示‘'你能再次找到的地方’.

2.although 和but ,however等连用.

3.这是一个主语从句,whom he spoke to 是修饰主语the lady的,介词to后面带宾语,所以用whom.