【正文】
a lot of knowledge.(which替代newspapers) The boy is my brother. He helped me. = The boy who helped me is my brother. This is the mountain village. I visited it last year. = This is the mountain village which/that I visited last year. 定語從句: 用who/which/that等關(guān)系代詞引導(dǎo)一個句子修飾前面的名詞 The factory is over there. My father