VI．翻译：（共5小题，计10分）
根据上下文内容将划线部分句子翻译成英语。
（81）A boy is walking near the river．Suddenly（忽然）his knife falls（掉）into the water．（82）He's very sad because his father gives his the knife．An old man comes over and asks the boy，“What is wrong with you？”“My knife is lost（丢）．It falls into the water．”The boy answers．
（83）The old man takes out a golden（金的）knife and gives it to the boy．He asks，“Is this yours？”“No，it isn't mine．”The boy anwers．
The old man gives the boy a silver（银的）knife and asks him，“Is this yours？”“No，it isn't．”The boy answers．
The old man gives the boy a steel（钢的）knife and asks，“Is it yours？”“Yes，it is．Thank you a lot．”（84）The boy is very happy and he shouts（喊）．
The old man says to the boy，“（85）Now I give you the golden knife and the silver knife because you are an honest（诚实的）boy．”
