分类：教育/科学-外语学习
问题：从句That'stheonewhatshewanted.That 
That's the one what she want.That's what she wanted.这两个句子都对吧我想问下哪些引导词前面必须要有先行词的？
回答：That's the one what she wanted. 
That's what she wanted. ---表语从句
第一个句子不对,应改为 定语从句

That's the one (who/ whom/ that) she wanted.