Self Check任务任务 : 将下列句子合并为含有定语从句的复合句。1.The dictionary is my English teacher’s.I borrowed it two days ago. 2.He is the most careful boy.I know him. 3.The man is our headmaster.He is talking with some visitors. The dictionary (that) I borrowed two days ago is my English teacher’s. He is the most careful boy (that/who) I know. The man who is talking with some visitors is our headmaster. 任务4.Do you know the woman?She is a doctor. Do you know the woman who is a doctor? spare adj. 空闲的 ; 不用的spare 是形容词 , 意为“空闲的 ; 不用的”。如 :Linda collects shells in her spare/free time.琳达空闲时间收集贝壳。I lost my key on my way home.Luckily,I have a spare one.我在回家的路上丢了钥匙 , 幸好我有备用钥匙。拓展 spare 还可用作动词 , 意为“抽出 ( 时间、房间等 )” 。如 :Can you spare me half an hour?你能为我抽出半小时吗 ?