用时间状语从句引导的句子
问题描述：
用时间状语从句引导的句子
答
when l come in,he is reading a book.
答
When I was young,I had a very good friend.
答
I have learned three thousand English words since I was five years old.
I will tell him as soon as I see him.
While my father was reading newspaper, my mother was watching TY.