1.jim found the key that i lost yesterday. 2.the man who i know is a model worker. 3.the letter that i received was from my parents. 4.this is the doctor who saved the boy's life. 怎么样,英语还不赖吧?帮帮你,可全是定语从句(我挺擅长的啊)
I found that jim lost the key yesterday. I know the man who is a model worker. I received the letter that was from my parents yesterday. This is the doctor who saved boy's life.