Question

1.you should make it a rule to leave things（）you c

1.you should make it a rule to leave things（）you can find them again 为什么答案是where而不是when呢？ 2.although he is considered a great writer，（）are not widely read A.but his words B.however his works C.his works D.his works still为什么不是B而是C呢？
3.the lady（）he spoke to just now is a professor（）here.A.that，who teaches B.whom，teaching English为什么答案是B？

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.