题目

帮忙从这篇文章中,找出定语从句.
Elias’ Story
x05My name is Elias.I am a poor black worker in South Africa.The time when I first met Nelson Mandela was a very difficult period of my life.I was twelve years old.It was in 1952 and Mandela was the black lawyer to whom I went for advice.He offered guidance to poor black people on their legal problems.He was generous with his time,for which I was grateful.
x05I needed his help because I had very little education.I began school at six.The school where I studied for only two years was three kilometers away.I had to leave because my family could not continue to pay the school fees and the bus fare.I could not read or write well.After trying hard,I got a job in a gold mine.However,this was a time when one had got to have a passbook to live in Johannesburg.Sadly I did not have it because I was not born there,and I worried about whether I would become out of work.
x05The day when Nelson Mandela helped me was one of my happiest.He told me how to g

提问时间：2021-03-31

答案

I will tell you something (that happened one night).I felt lonely at home,so the only thing (that I could do )was to The time（ when I first met Nelson Mandela ）was a very difficult period of my life...