改定语从句

问题描述:

改定语从句
①Nancy loves music. The music is loud.
②Ann found the key: she lost it yesrerday.
③Where is the new CD? You bought it last week.
④Albert likes musicians. The musicians can play different kinds of music.
⑤The boy is her younger brother. He was here a moment ago
各位大大拜托了

Nancy loves music that is loud.
Ann found the key which she lost yesrerday
Where is the new CD that You bought last week
Albert likes musicians which can play different kinds of music
The boy is her younger brother who was here a moment ago求解下,为什么那么改。。。。。定语从句主要看在句子里占什么成分,如果是简单的基本上that是万能的,甚至这里的都可以改成that