用“介词+关系代词”引导的定语从句改写下列句子(2道) The file reminded me of the hard times when we had nothing to eat. The file reminded me of the hard times ______ ______we had nothing to eat. The reason why he was late for the lecture is that he got up late this morning. The reason _____ ______ he was late for the lecture is that he got up late this morning.
1.in which 2.for which 关系副词引导的从句可以由“介词+关系代词”引导的从句替换 (1) The reason why/ for which he refused the invitation is not clear, (2) From the year when/in which he was going to school he began to know what he wanted when he grew up. (3) Great changes have taken place in the city in which./where I was born.