帮我翻译一些英文句子（人工翻译）

1：我爸爸老照片中的一张显得很旧,所以被一个收藏家收藏了.
one old photo of my father's looks very old,so it was collected by a collector
2：当他五岁时已经开始写音乐,他是一个音乐家名字叫贝多芬.
when he was five,he started to write music.He is the musician whose name is Beethoven.
3：一个来自美国的孩子把它最喜爱的那副乒乓球拍放到了教室的后面,因此同学们都很感激他.
a child from America put his favorite pingpang racket in the back of the classroom.His classmates are very grateful to him.
（把这些话语翻译成英文,一定要人工译,我用机器译过了,谁用机器译不给分...）